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introduction：Comparison of internal combustion forklift and electric forklift （1）. Counterweight diesel forklift truck，Large volume，But its stability is good，Suitable for heavy loads,Unlimited use time，The use area is usually outdoors。Compared to a gasoline engine,Diesel engine power is better(Low speed is not easy to extinguish、Overload capacity、Ability to work for a long time),Low fuel cost.But the vibration is high.、Loud noise、Large displacement 、self-importance、High price, Load weight can be determined by0.5Ton to45Tons of。 （2）．Counterweight gasoline forklift truck，Large volume，But its stability is good，Suitable for heavy loads,Service time
2015-01-05 Reading quantity 2804
introduction：Reducer installation and use，There are six areas to pay attention to。 one、The reducer is installed，Pay special attention to the alignment of the transmission center axis，The alignment error should not exceed the compensation amount of the coupling used in the reducer。After the reducer is aligned as required，Better transmission effect and longer service life can be obtained。 two、The output shaft of the reducer is installed when the transmission part is installed，Must pay attention to the gentle operation，Do not use tools such as hammers for rough installation，It is best to use the internal thread of the assembly fixture and end shaft for installation，Push the transmission into the reducer with the force of bolt screwing in，This can
2015-01-05 Reading quantity 2810
introduction：The impeller mouth ring of polyimide carbon fiber composite material is matched with the pump shell mouth ring of stainless steel；Replace the graphite bushing with the throat bushing of our material。The vibration amplitude is reduced，This extends the service life of seals and bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Service life，Enhance the free operation of the pump。Many pumps are in use with
2015-01-05 Reading quantity 1543
introduction：INAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]At slightly negative operating clearance，Single bearing life maximum。But it is actually very difficult to keep the bearings in this optimum state once certain conditions of use change，The negative clearance increases，Resulting in a significant reduction in bearing life or heat。therefore，The initial clearance is usually chosen，
2015-01-05 Reading quantity 1549
introduction：Planetary reducer in the run-in period has some common problems，Including loosening、wear、leakage，The main reason for these problems is that the device performance is not familiar enough，New equipment assembly gap is too small。For the main unit situation general in the following one by one analysis： copyright by ：www.tyreducer.com 1、Operation error：Due to the structure of the gear motor、Performance is not well understood，Easy to cause faults due to misoperation，Even cause mechanical accidents and safety accidents。 2、loosen：Newly machined and assembled parts，
2015-01-05 Reading quantity 2893
introduction：Method for surface pretreatment of rustproof substance： 1)Surface cleaning：Cleaning must depend on the nature of the surface of the rust-proof substance and the conditions at the time，Select the appropriate method。Solvent cleaning method is commonly used、Chemical cleaning and mechanical cleaning。 2）The surface can be dried with filtered dry compressed air after cleaning，Or use120~170℃The dryer is used to dry，Can also be dried with clean gauze。 Method of applying anti-rust oil 1）Soaking method：Some small items are soaked in rust-proof grease，A method of affixing a layer of anti-rust grease to its surface。Oil film thickness can be controlled to prevent rust
2015-01-05 Reading quantity 1462
introduction：Rolling bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]It is a high precision mechanical component，Its internal and surface quality requirements are very strict，Therefore, the contact of the inventory must be kept well，Avoid bearing damage during inventory without use，Reduced accuracy or quality。 The main reasons for the loss of bearing stock are as follows： 1)
2015-01-05 Reading quantity 1549
introduction： hole (Hole) Opening holes on plastic parts to make them join with other parts or increase the combination of product functions is a common technique，The size and position of the holes should not affect the strength of the product or increase the complexity of production，Here are a few factors to consider when designing a hole。 The distance between the connecting hole or the hole and the straight edge of the adjacent product shall not be less than the diameter of the hole，For example, a drawing of a hole from an edge or an inner wall edge。At the same time，The wall thickness of the hole should be as large as possible，Otherwise, the perforation position is prone to fracture。If there is a thread in the hole，The design requirement is
2015-01-05 Reading quantity 2894
introduction：Superfinishing can generally be divided into three stages：Cutting stage、Half-cut stage、Finishing stage。 （1）Cutting stage When the surface of the grinding stone is in contact with the convex peak of the surface of the rough raceway，Due to the small contact area，{TodayHot}The pressure per unit area is greater，Under certain pressure，The millstone is first affected by the workpiece“Reverse cutting”effect，Some of the abrasive particles on the surface of the grinding stone fall off and break，Revealing some new sharp grates and edges。At the same time，The convex peaks on the workpiece surface are subjected to rapid cutting，The convex peaks and grinding metamorphic layers on the workpiece surface are removed by cutting and reverse cutting。This stage
2015-01-05 Reading quantity 1454
introduction：1、Theoretical knowledge is improving day by day，Closer to reality（Such as gear strength calculation method、Modification technique、Deformation calculation、Optimal design method、Root smooth transition、New structure）。 2、Use good materials，Various high quality alloy steel forgings are widely used，Improved quality control of materials and heat treatment。 3、The structure design is more reasonable。 4、Machining accuracy improved toISO5－6level。 5、bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said
2015-01-05 Reading quantity 2906
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