Three compositional formula auto transmission

    Composition formula one

    Simple gearbox high efficiency, simple structure, easy to use file Kwan advantage mine but a small number, i varies little (traction, speed range small), it should only some of the few small files turner adoption. If the increase in the range of i, then increase the size of the transmission shaft to increase the span, in order not only to increase the number of files too large span of the shaft, can be composed of type transmission. The so-called component type transmission, usually by a combination of two simple type transmission, wherein a greater number file called the main transmission, subtransmission less known.

   Composition formula two

   1.Can reduce the number of gears and more gears to reduce the number of gear more obvious advantages. Compared with the simple type transmission, which can shorten the length of the shaft, reducing the transmission of external dimensions and weight and can easily get more than one reverse. Therefore, the current number of more than six files into the file when almost all composed gearbox.
  2.Transmission: ratio change rate Ω large: if the main transmission ratio change rate Ωzu = 3, auxiliary transmission Ωfu = 4 则 Ω = 12; subject the simple gearbox Ω = 12, the structure is often difficult and reasonable.

Combination worm gear units

  Composed of three

  1.File with the transmission ratio between the groups corresponding relationship between the two is not easy to make every file, (speed and traction) are ideal.
  2.Shift control trouble, and sometimes to manipulate two transmission portion, if not for the flower arrangement will shift memory.

  To reduce the maneuvers, the best sequential shift. To do this requires attention to the first grade choreography ten stalls set off all the gear ratio is greater than 11 file group to reach the majority of the phase transformation simply manipulating with collar gear main transmission purposes, so that it is most convenient.
   Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,Transmission chain， engineering chain，Stainless Steel Chain，sprockets and plate wheels,TXF Variator， pulleys, gearboxes， motors, couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, WJ Reducer，chain detachers, chain guides, Stainless Steel Sprockets，universal joint, rod ends and yokes.

Common automatic transmission three types

     Transmission type

     Common automotive automatic transmission has three types: hydraulic automatic transmission (AT), mechanical stepless automatic transmission (CVT), electronically controlled mechanical automatic transmission (AMT), dual clutch transmission (DSG). At present, the most widely used is the AT, AT has almost become synonymous with automatic transmission.

     AT is composed of hydraulic torque converter, gear and hydraulic control system components, through the hydraulic transmissionand gear combination to achieve speed and torque. Hydraulic torque converter is one of the most important components, it round by the pump, turbine and guide wheel and other components, both off and the transmission of torque.

Compared with AT, CVT eliminates the need for a geartransmission is complex and heavy, but the two groups of pulleytransmission. The speed by changing the driving wheel and the driven wheel contact radius of the drive belt. Canceled because of gear, so the transmission ratio can change, speed more smoothly,without shifting sense of the sudden jump.

Combination worm gear units

   AMT and the hydraulic automatic transmission (AT) is a class of automatic transmission. It is in general based on the manual transmission, through the installation of microcomputer controlled electric device, separation, engagement and transmission to replace the clutch was completed by manual operation of the gear selecting, shifting action, realize automatic shift.

    DSG gearbox with the traditional automatic gearbox has obvious difference, DSG from the beginning without the use of hydraulictorque converter. This transmission is not produced in the traditional concept of automatic transmission based on DSG,design engineers took an innovative new technology road, cleverly to convenience the flexibility and the traditional manual transmission automatic transmission together.

    Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,engineering chain，Transmission chain，Stainless Steel Chain， sprockets and plate wheels, pulleys, gearboxes, motors, couplings,Tyre Coupling， gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, Linear Bearing，rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Introduced of the Automobile transmission

    Automobile transmission, which is used in the actual speed to coordinate the engine speed and the transmission device, for the best performance of the engine. Transmission process in the car, have a different gear ratio between the engine and wheels, by shifting the engine can work at their best performance of state power. The transmission is the development trend of increasingly complex, increasingly high degree of automation, automatic transmission will be the mainstream of future.
   Effect
   The output of the engine speed is very high, the maximum power and maximum torque at a certain speed area. In order to play the best performance of the engine, it must have a transmission device, the actual speed to coordinate the speed of the engine and wheels.

NMRV Reducer

   Function
   1.Changing transmission ratio, expand the range of the driving wheel torque and speed, driving conditions in order to adapt to the constantly changing, and the engine in good (high power and low fuel consumption) working conditions;
   2.The invariant in the direction of rotation engine case, travelling back to the car;
   3.Use the neutral, interruption of power transmission, the engine can start, idle, and facilitate the transmission shift or power output.
   The transmission is composed by the transmission, a transmission mechanism and a control mechanism needs, can be equipped with a power output device. There are two ways in the classification: according to the transmission ratio variation method and based on the manipulation of different ways to.
   Advantage
   In order to reduce fuel consumption as the target to shift.
   Always use the maximum engine power.
   At all driving conditions are shifting the corresponding point of the.
   The shift point any changes.
   Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,Transmission chain，Driving Chain，engineering chain，sprockets and plate wheels, pulleys, gearboxes, motors, couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint,Timing Belt Pulleys， rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Noise phenomenon of Variator

   Reason
   1.The abnormal sound of the gear gear wear too much thinner, the gap is too large, the impact of operation; tooth surface meshing is bad, such as repair without replacement of gear pairs. The new, old gear with gear meshing, not correct; tooth surface of metal fatigue spalling or individual tooth damage fracture; spline gear and shaft with loose, axial clearance or gear is too large; shaft bending or bearing looseness caused by gear meshing clearance change
   2.Bearing ring bearing wear serious; the bearing seat and the shaft neck (outer) (hole) with the loose ball bearing; fragmentation or ablation pits
   3.Other reasons such as Variator response in lack of oil, lubricating oil too thin, too thick or bad quality; fall into the foreign body in a transmission; some looseness of the fastening bolt; the odometer flexible shaft or odometer gear ring, fault diagnosis and elimination

WJ series worm-gear speed reducer

   1).Transmission of sound of metal friction sound quality, is short of oil and oil is not good. Should the quality gas and check the oil, replace if necessary
   2).Driving change into a file if the sound clear, namely tooth wear the gear; if the periodic noise, for the individual tooth damage
   3).Gap ring, and the clutch pedal after the noise, generally for a shaft, bearing or gear ring; if any files are sound, more than two shaft bearing rings
   4).All of a sudden crash occurred on the transmission, multi tooth fracture, should promptly remove transmission cover checks, to prevent mechanical damage
   5).Speeds, transmission only in the change into a file when the gear ring, in the premise of the intact, should check the gear is improper collocation, when necessary, should be re assembled a new pair of gears. In addition, also may be the synchronizer gear wear or damage, as the case may be repaired or replaced
   6).The shift gear shock and noise, it might be the clutch can not be separated or clutch pedal travel is not correct, the synchronizer damaged, idle is too large, the gear lever to adjust properly or guide bushings tight. Encounter this kind of situation, first check the clutch can be separated, and then adjust the idle or the shift lever position, tightness inspection guide bushing and isolation bearings.
   Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission，engineering chain，Stainless Steel Chain，Paver Chai，products in China. We can supply a full-range of power transmission products, such as chains, sprockets and plate wheels, pulleys, gearboxes, motors, couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device),Timing Belt Pulleys，taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides,Linear Bearing，chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Maintenance of transmission shaft

    Variator in the work process, each bearing a change of thetorsional moment, bending moment. The common damage theshaft:

    1.The shaft neck wear journal wear is too large, not only makes the gear axis offset, and will bring the gear meshing clearancechange, cause transmission noise. At the same time also makes the shaft and bearings with damaged, operation may causeablation. Therefore asked the roller bearings in interference fit with the shaft neck wear at not more than 0.02mm needle roller bearingwith the shaft neck wear is not more than 0.07mm, otherwise thescene change or chrome plated repair.

    2.Of tooth wear of tooth wear is more serious in the loading side.Check with the spline sleeve tooth wear, when more than 0.25 ormatched with the original keyway attachment is more than 0.40mm,jointing gear ring gear, combined with the sleeve and the glisterZhou Peihe trainee is greater than 0.30mm, Woodruff keys and the shaft neck key groove is more than 0.08mm on probation toothweek or shaft with keyway should be repaired or replaced.

TXF Variator

    3.The thimble hole transmission shaft bending the overhaul by thethimble to both ends of transmission shaft, radial dial indicator check shaft jumping, the deviation should be less than 0.10mm.should exceed the pressure correction repair.

     Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains, Transmission chain，Driving Chain，engineering chain，Sugar Mill Chain，sprockets and plate wheels, pulleys, gearboxes, motors, Chain Coupling,couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, helical gear,QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides,Timing Belt Pulleys, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Structure feature type of mechanical seal HU5

    Structural characteristics:

     Mechanical seal type HU5 conforms to the DIN24960 standard, but also conforms to the DIN24960 standard of back-to-back assembled double end mechanical seal, is balanced, the rubber corrugated tube, single spring, single seal structure, dynamic ringinterference is driven by the rubber corrugated tube, good floating,spring also transmit torque.

    Friction pair material and auxiliary sealing material pleaseaccording to the actual working conditions selection.

Elastomer Bellow Mechanical Seals

   Scope of application:

   Sealed medium: granule containing wastewater, oil, sewage.

   Seal chamber pressure: ≤ 1.6Mpa.

   The sealing cavity temperature: -20 ℃ ~140 ℃.

   The line speed: ≤ 10m/s.

    FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals，mech seal, mechanical seal，shaft seal，Automobile seal，Pump seal，Flygt pump seal,Grundfos pump seal, grundfos seal, grundfos replacement 

Introduction of the Variator

    TheVariator is fixed or sub file can change the output shaft and the input shaft drive gear transmission ratio, also known as the gearbox. Variator by a transmission mechanism and transmission mechanism, can be made into a separate transmission mechanism and transmission mechanism are arranged in the same shell. Most of the ordinary transmission gear, and some planetary gear transmission. Ordinary gear transmission mechanism with gear and clutch slip. Sliding gear with multiple slip sliding gears and gear division. Sliding gear transmission with a triple, large axial size; with a sliding gear transmission, compact structure, but the ratio of small changes. Have engaged the clutch and the friction of the sub type.

TXF Variator

   With the meshing clutch, transmission should be stopped or the speed difference is very small; with the friction clutch can change any speed difference in operation time, but the capacity is small, and can not guarantee strict synchronization of two axes. To overcome this shortcoming, the friction disk in the engagement of clutch is installed on the transmission depending on the friction plate, when the first round of the slave to the synchronous speed before the engagement. Planetary gear transmission speed brake control available. Variator is widely used in machine tools, vehicles and other necessary speed of the machine. Often installed in the transmission spindle, so that spindle box, and has the advantages of compact structure, convenient operation. In the machine tool transmission is used to change the amount of feed called the feed box.
   Automobile Variator is by changing the transmission ratio, change of engine crankshaft torsion, adapt at the start, acceleration, road traffic and to overcome the obstacle of different need to drive wheel tractive force and velocity under different driving conditions. Popular divided into manual transmission (MT), automatic transmission (AT), manual / automatic transmission, stepless speed variator. Automobile transmission generally consists of the front box body and the box.
   Variator  is one of the most important components in automobile transmission system.
   Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,engineering chain， Timing Chain，Coupling Chain，Motorcycle Chain，sprockets and plate wheels, pulleys, gearboxes, motors,Motor base， couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering,Linear Bearing， conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.
 

Characteristics of HU1 type mechanical seal

   Structural characteristics
   Mechanical seal type HU1 with ISO3096DIN24960 and GB6556 standards. Auxiliary sealing volume according to the working requirements can choose the same specifications rubber "O" PTFE "V" ring ring. Single spring, unbalanced type shift transmission, strong capacity of compensation, installation and shaft rotation to independent.
 Friction pair material and auxiliary sealing material can be based on the actual condition selection.

Mechanical Seals for FGD

  Scope of application
  Sealed medium: oil, alkali, salt crystallization, high solubility of fluid, slurry, organic solvents and other weak corrosion solution.
Seal chamber pressure: ≤ 1Mpa.
The sealing cavity temperature: -20 ℃ ~220 ℃.
The line speed: ≤ 15m/s.

   

    FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals，mechanical seal，shaft seal，Automobile seal，Pump seal，Flygt pump seal,Grundfos pump seal,mech seal, grundfos seal, grundfos replacement 

The Classification of Screw Drive

   Screw drive, the use of the screw and nut engagement to transmit power and motion of the mechanical drive. Mainly used to convert rotary motion into linear motion, the torque is converted into thrust.
   Classification
   By job characteristics, screw drive with a helical spiral into force transmission, conduction and adjustment screw spiral.

Ball Screw Support Set

  1.Force transmission screw: to transmit power based, which have a greater torque with a small axial thrust, usually intermittent, the working speed is not high, and usually requires from the lock, such as screw presses and screw jacks spiral.
  2.Conduction spiral: to transmit motion-based, often requires a high precision of movement, usually over an extended period of continuous work, the working speed is higher, such as the machine feed screw.
   3.The set screw: for adjusting and fixing parts or the relative position between the components, generally do not always turn, requires self-locking, and sometimes also requires very high accuracy, and precision instruments such as machine screw fine-adjustment mechanism. According to the nature of friction between the threads, screw drive can be divided into sliding screw drive and rolling screw drive. Sliding screw drive can be divided into ordinary spiral sliding screw drive and hydrostatic drive.
    Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmissions products in China. We can supply a full-range of power transmission products, such as chains,engineering chain, Printer Chain,Coupling Chain,sprockets and plate wheels, pulleys, gearboxes, motors, couplings,Chain Coupling. Our product range also covers locking assemblies (clamping elements/locking dgears and racevice), gears and racks,taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering,Linear Bearing, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Troubleshooting of mechanical seal

   Mechanical sealing device for a long time and large torque of mechanical motion, gear meshing clearance change, causing noise and large vibration equipment. The sealing parts in high speed, high temperature condition, sealing oil leakage occurs. Seal leakage caused by the following reasons:
  1.Leakage occurred in oil seal quality problem;
  2.Lubrication management improper, cause the oil to add excess or lack of oil dry grinding;
  3.Repair damaged in the process of sealing parts caused by seal failure;
  4.Cause too much pressure, level  exhaust hole plug; the above problem not only affects the appearance production equipment safe, continuous operation, also caused the enterprise cost large scale consumption.
     To reduce energy consumption and protect environment based on the concept, the western countries adopt new materials to solve the above problems, the Mitre super sealant & lubricant, the gear box an excellent additive, can form a thin film on the part of inert material, thereby reducing friction, gear noise and leakage.

Mechanical Seals for Sanitary Pumps

   At the same time, Mitre super sealant & lubricant is a special kind of inert materials have a variety of applications, mainly used to reduce the metal to metal contact. As a kind of thread sealing compound, the product form a contact surface between the external and internal threads, can protect the joints from friction and wear, can withstand the pressure of 1407 kg / square cm, even wear, corrosion or the wrong thread surface machining. It also significantly reduce the torque stress to meet the power demand, decompression.
    It can be used for gasket faces or as a filler added, the seal to prevent leakage of fluid. Can be applied at a temperature of 316 ℃. The products can in stainless steel, aluminum, iron, barium, glass fiber, plastic construction, will not be acid, alkali or common solvent.
    At present, the technology has been successfully applied in metallurgical, ship building, chemical industry, papermaking industry, iron and steel building materials, automobile manufacturing, mining, power, property and other fields, and has good effect to repair the leakage of mechanical seals.
 

    FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals，mechanical seal，shaft seal，Automobile seal，Pump seal，Flygt pump seal.

Introduction of the Cylindrical Worm

  Cylindrical worm
  Cylindrical worm drive is the worm indexing surface is a cylindrical surface of worm drive.
   The commonly used Archimedes cylindrical worm drive with circular arc tooth cylindrical worm drive.
Archimedes worm tooth profile of Archimedes spiral, the axial tooth profile is straight. Archimedes worm can use ladder turning on lathe, so simple, but it is difficult to grind, so accuracy is not high. Archimedes in the cylindrical worm drive, the angle between the worm and the worm wheel tooth surface contact line and the relative sliding velocity is very small, not easy to form a lubricating oil film, so the low bearing capacity.
   The arc tooth cylindrical worm gearing is a worm shaft surface (or method) for the concave circular arc tooth profile and the worm tooth profile is convex arc worm drive. In this drive, between the contact line and the relative sliding velocity angle is large, it is easy to form a lubricating oil film, and the convex and concave tooth profile meshing tooth profile, the contact line equivalent curvature radius is larger, the contact stress is low, so the carrying capacity and efficiency than other cylindrical worm drive for high.

Spur Gears

  The main parameters
  Parameters and geometric sizes of various types of cylindrical worm drive is basically the same. As the main parameters of Archimedes cylindrical worm drive. The plane perpendicular to the axis of the worm and worm gear axis, known as the middle plane. In the middle of the plane, [1] tooth worm is a straight line, the tooth profile involute worm gear, meshing worm and worm wheel meshing is equivalent to the rack and involute gear. Therefore, parameters and geometric dimensions of worm gear calculation and roughly the same gear transmission, and parameters and dimensions in the design and manufacture with the middle plane as a reference.
   Axial tooth worm and worm gear from the pX should end week section PT are equal, so the axial modulus worm and worm gear end module should be equal, represented by m, m shall be taken as the standard value. The axial pressure angle pressure should be equal to the end of the worm worm gear angular, with α, α =20 ° usually standard pressure angle
   Worm corresponds to the screw, the screw thread is also divided into left and right, single head and long. Usually the worm number Z1=1 ~ 4, head number efficiency is high; but the number is too much, such as Z1>4, indexing error will increase, and not easy to machining. The number of teeth of Z2=iZ1 worm, I worm gear transmission ratio, i=n1/n2=Z2/Z1.
   For the worm drive in general to transfer power, Z2=27 ～ 80. When Z2<27, the worm wheel tooth easily undercut; while the Z2 is too large, may cause the worm gear tooth bending strength is not enough. D1 worm indexing circle diameter, then screw worm indexing columns lift angle λ press type for introducing q=Z1/tg lambda in the formula, pitch diameter can be obtained for d1=qm worm. Type q is called the worm characteristic coefficient. In order to limit the number of standard hob, collocation and each module of the Q value. Usually, q=6 ～ 17. Worm gear pitch circle diameter of d2=Z2m.
  Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmissions products, such as chains,Transmission chain， engineering chain，Stainless Steel Chain，sprockets and plate wheels, pulleys, gearboxes, motors, couplings,Tyre Coupling，Pin coupling，gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes,Timing Belt Pulleys，bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.
 

Check the sealing surface wear trace still need to add the following, can help to analyze fault.

   Check the sealing surface wear trace still need to add the following, can help to analyze fault.
   1.The wear width: indicates that the pump serious misalignment. The reason is that:
   A.Bearing damage;
   B.Shaft vibration and axial deformation;
   C.Shaft bending;
   D.Cavitation generated vibration;
   E.Coupling misalignment;
   F.The serious deformation;
   G.Static seal ring tilt.

Mechanical Seals for FGD

   2.The wear scar narrowing: wear more than two sealing surface and minimum width narrow, indicating that the sealing pressure, pressure or temperature so that the sealing surface deformation.
   3.Without abrasion marks:
That the sealing surface without adhesive. Check spring compensation mechanism is slipping or obstructed.
   4.The sealing surface without abrasion marks but there are bright spots.
Sealing surface of warpage will appear bright and no wear scar. The pressure is too high, the gland bolts without twisting or not clamped, or pump surface roughness can form bright spot. When the cover with two bolt when, its stiffness is not enough, a cause of deformation is also formed highlights.
The emergence of such symptoms that may drive a car: seal leakage.
   5.the sealing surface with a cutting edge:
This is due to the sealing surface are too far apart, and the fracture during folding. Flash (gasification) is widely separated from the sealing surface, especially in the hot water system of condensate liquid or fluid, water from the expansion of liquid into vapor, can make the sealing surface separate.
   Metal parts are sealed, such as spring, fixed bolts, transmission parts and metal sleeve may become the source of seal failure. Under the action of the spring force of the alternating stress corrosion is the primary problem of it, because the metal rapid corrosion under stress, stress corrosion of steel spring susceptible to chloride not embroidered, and there are a lot of the world's chloride, so the foreign department suggests, do not use stainless steel spring, spring and recommend the Haast alloy steel using the corrosion resistance of high. In addition, improper assembly spring fatigue is another reason for failure.

O-ring Mechanical Seals

   Screw the use of mechanical seals, do not use hardened material to do, because of the heat treatment can reduce the corrosion resistance of metal, but not soft fixing screw heat treated can be fastened on the shaft.
   Vibration, oblique, not concentric will make the transmission parts wear, such as the sealing surface when starting stuck phenomenon, transmission parts can be bent or damaged, and the friction generated heat often aggravate corrosion.
Wear scar surface metal sleeve, possibly into the solid particle sleeve from sealing side caused by interference, it sealed follow-up capability. May also be skewed, the cause of the non concentric.
   The metal in the temperature rising process to change the color, so should pay attention to the temperature of the color in the use of.
Pale yellow -- -- temperature 700 ~ 800 degrees Fahrenheit (about 370 ~ 432 ℃)
Brown -- -- temperature 900 ~ 1000 degrees Fahrenheit (about 486 ~ 540 ℃)
Blue -- -- temperature of 1100 degrees F (590 degrees C)
Black -- -- temperature is 1200 degrees Fahrenheit (about 648 degrees).
   FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals，mechanical seal，shaft seal，Automobile seal，Pump seal，Flygt pump seal.
 

Processing method of Gear Transmission

   1.Gear grinding: IT6 ~ IT4 → IT3, Ra:0.8 ～ 0.2 μ m principle: the shaping and generating
    The method of forming grinding of IT6 ~ IT5, Ra:0.8 ~ 0.4 μ m, by grinding, student High yield, low machining accuracy, less application.
   The method of generating gear grinding
   Tooth grinding: grinding wheel section tooth profile tooth imaginary rack, workpiece scroll right, the right side of the right side of the grinding wheel first teeth, from the root to the top of the workpiece grinding; then scroll left, the left side of the left side of the grinding wheel to the L slot, but also from the root to the top end mill, when two the side section l cogging all grinding, grinding wheel automatic retreat away from the workpiece, the workpiece indexing rotation, and then the right rolling, grinding second slot, so repeatedly, until the entire tooth grinding.
  2.Gear grinding:
IT7 ~ IT6, Ra:1.6 ~ 0.2 μ M equipment: lapping machine. Research: cast iron gear precision. Abrasives Abrasive:: 220# ~ 240#, active lubricating oil characteristics: same as the honing, can reduce the surface roughness, cannot improve the tooth profile accuracy

Spur Gears

Axis parallel grinding method:
   (1).Process: the axis of grinding wheel and grinded gear meshing motion parallel, free grinding. Gear drives the grinding rotation without backlash, grinded gear also axial reciprocating motion, grinding wheel is slight brake. After a period of time, the grinding wheel and grinding rotation and reverse rotation, the two sides that are uniformly grinding teeth.
  (2).Features: the tooth surface sliding speed is not uniform, grinding is not uniform, the sliding speed gear top and root part of the large, grinding of large amount.
    Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmissions products, such as chains,engineering chain, Transmission chain，Coupling Chain，sprockets and plate wheels, pulleys,Timing Belt Pulleys， gearboxes, motors,Motor base，couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters,Stainless Steel Sprockets， shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.
   Read more:http://www.power-transmissions.com/news.html
 

The reason of the failure of the Mechanical Seal

     Mechanical seal of the fault is substantially from abnormal leakage,abnormal wear, abnormal torque phenomenon is known as. Fault reasons generally have the following four aspects:

    1.Design and selection of mechanical seal, no 

    2.The poor quality of mechanical seal;

    3.Use or installation of mechanical seal machine accuracy is not up to the requirements;

    4.The machine operation error.

    Mechanical sealFailure mainly has the following three reasons:

Mechanical Seals for FGD

    1.The sealing surface of open

    In the repair of mechanical seals, sealing the 85% failure is notcaused by wear, but the wear before the leak.

    When the sealing cover is opened, the solid particles in the medium under the action of liquid pressure into the sealing surface, the sealing surface is closed, the solid particles embedded in soft ring (usually the right ink loop) surface, it becomes a "wheel"will damage the hard ring surface.

Because of the dynamic ring or rubber ring fastening on the shaft(sleeve), when moving, moving ring can not be timely joint, and the sealing surface and sealing surface of open, hysteresis, makes thesolid particles from entering the sealing surface.

    At the same time shaft (sleeve) with solid particles also exist between the sliding effect and sliding parts, rubber ring or ring(common fault relative dynamic sealing point,). In addition, the media will be in the rubber ring and the shaft (sleeve) friction partsto produce crystal, in the spring will have solid substances, will make the dense cover open.

    2.Overheating

    Because of the sealing surface will generate heat, so the rubber ring temperature should be lower than the design specification.The use of temperature fluorine rubber and PTFE is 216 ℃,temperature of nitrile rubber is 162 ℃, although they are able to withstand the high temperature, heat is higher because of sealing surface is generated, so the rubber ring is dangerous tovulcanization, eventually lose their elasticity and leakage. (coldarea into a cold brittle)

Between the sealing surface and also because of heat inducedcrystallization of the media, such as carbon, causing sliding partsstuck and the sealing surface condensation. And some polymer because of overheating and coking, some fluid overheat and loselubrication even flash fire.

     In addition to change medium overheating situation, aggravatedthe corrosion rate of it. Deformation of metal parts, alloy surfacecracking, as well as some coating cracks, design should adoptbalanced mechanical seal, in order to reduce the pressure to prevent overheating.

Mechanical Seals for Sanitary Pumps

    3.Super bad

    The assembly tolerance correctly, for the installation of the mechanical seal is very necessary, shaft (sleeve) must have the appropriate surface roughness and the correct size, butmanufacturers rarely provide tolerance data, these data are critical to install it. (rely on the experience and knowledge)

    Mechanical seal the dimensional accuracy and the shape and position tolerances shall be in accordance with the requirements of the drawings, the ultra poor will cause the seal failure in advance.

     FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals. We consistently demonstrated our passion for its reputation as a reliable and stable manufacturer of superior quality products and passed ISO9001, ISO14001 & ISO/TS16949, becoming the appointed OEM suppliers of famous domestic and overseas enterprises, 80% products are exported to outside and receive respected honor.

    FLEX MECH-SEAL(CHINA) Co.,Ltd. is specialized in mechanical seals products including for auto cooling pump mechanical seals, for automobile air-compress mechanical seals,for pump mechanical seals and for industry pump mechanical seals，mechanical seal，shaft seal，Automobile seal，Pump seal，Flygt pump seal.