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introduction： What are the performance characteristics of electric forklift trucks？Fengye mall electric forklift brake to tell you。 Electric forklift is a kind of dual-purpose electric forklift with the function of loading and unloading and short distance transportation of goods，With operating comfort、High stability、Easy to operate、Low noise、pollution-free、Low failure rate，Compact structure，Flexible transport、Easy to operate，Small rotary radius and other characteristics，Widely used in warehousing，Material flow，carry，Et al.。For those there is fire protection、Explosion-proof required site(printshop、Oil depot、quay、storage)More applicable。If fitted pallet、Cargo box、Containers, etc., can realize the unit
2014-12-22 Reading quantity 2774
introduction：Print creases are distributed according to state，Can be divided into large fold、Small discount、Straight break and branch break and other types，Mainly caused by machinery and paper itself，Especially when printing on thinner paper，More prone to creases。 1．The surface of the paper is uneven If the water content in the air is less than the water content of the paper，The water at the edge of the paper evaporates，Will appear”Tight selvedge”phenomenon(As shown at right)，The center of the paper will crease when printing；When the water content in the air is greater than the water content of the paper，The edge of the paper absorbs water，There is little water content in the middle of the paper，Marginal moisture content，Then appear“flounce”phenomenon，At this time printing is the paper drag tip
2014-12-22 Reading quantity 2769
introduction： SelectSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Should be based onSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken
2014-12-22 Reading quantity 1448
introduction：KOYOCylindrical roller 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。]The accuracy of the degree from０Step by step increase，For general purpose0Level sufficient，But in the table used1When the condition or occasion is shown，Requires5Grade or higher accuracy。The accuracy level above is althoughISOThe standard is formulated as the basis，But its calling is standard in countries
2014-12-22 Reading quantity 1451
introduction： What does a good hand lift look like Manual forklift is a kind of high-lift loading and unloading and short-distance transportation dual-purpose vehicles，Because it does not produce sparks and electromagnetic fields。 Especially suitable for automobile handling and workshop、Stash、quay、station、Inflammability in freight yards, etc、Loading, unloading and transportation of explosive and fire prohibited articles。 So what are the advantages and characteristics of a high-quality manual forklift truck？ Its overall use has a lifting balance、Flexible rotation、Easy to operate and other features，The advantages are as follows：
2014-12-22 Reading quantity 2785
introduction： Gas lubricated 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。]Application examples in machine tools Gas lubricated 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 are on the shaft
2014-12-22 Reading quantity 1437
introduction：1.KOYOBearing temperature rise causes： (1).KOYOBearing cooling water interruption。 (2).Oil quality deteriorates，The oil itself is not clean or the oil deteriorates during operation，If the water in the oil increases, the acidity of the oil will increase，It will reduce the lubrication effect of the oil，Cause the bearing bush to corrode，Bring aboutKOYOBearing temperature rise。 2.phenomenon： (1).Theres an alarm bell ringing． (2).Water wheel mechanical failure light plate bright，indicateKOYObearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-22 Reading quantity 1437
introduction：Constant velocity universal joint commonly known as ball cage，It has an inside cage and an outside cage。A steel shaft is connected in the middle of the inner and outer ball cage，Collectively known as the drive shaft，As the name implies，It is the axis of rotation that transmits power，And power can be delivered at the same speed while steering，Then its fault can be determined by the method of emergency refueling door and turning。If you hear metal when turning around“click”Sound is usually damaged when the outside ball cage，Under normal circumstances, the life of the outside ball cage is very long，It should be over 200,000 kilometers，And our car in the maintenance of such as do not pay attention to the damage of the dust jacket outside the ball cage，Make a lot of dust in the driving into the outside ball cage，Its lifespan is only a few
2014-12-22 Reading quantity 1446
introduction：101：What is intersecting body？ a：A member composed of two or more basic geometers。 102：What are intersecting lines？ a：The line of intersection between the surfaces of two bodies in a intersecting body。 103：What are the ways to find the real length of the curve？ a：There are face-changing methods and expansion methods。 104：What is the usual way of developing prisms and cylinders？ a：Method of parallel lines。 105：The round tube intersects the conical tube horizontally，What are the intersecting lines？ a：Closed space curve。 106：Space curves in each view
2014-12-22 Reading quantity 2791
introduction： Thread machine for turning threads。Lathe with short thread﹑Pipe thread lathes and tubing joint thread lathes are mainly used for turning short thread workpieces and oil﹑Tubing for geological drilling﹑Thread of casing, etc﹔Precision lead screw lathes are mainly used for machining precision threads in machine tool manufacturing。 The layout of short thread lathes is basically similar to that of ordinary lathes。The thread formation movement between the workpiece and the tool does not require a lead screw﹐It is accomplished by a face CAM mounted in the middle of the bed。The lift profile of the CAM moves the tool holder forward﹐Turning thread﹔Drop profile makes
2014-12-22 Reading quantity 2790
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