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FAQ
- Is the grease of the machine tool screw rod good or weak?
- With thick and thin does not matter, mainly with high speed high temperature grease.
- CNC machine tool screw gap
- For a pure driving situation, general requirements for flexible transmission, allow a certain return to the gap (small, usually a few silk), using a single nut, it is cheaper and more flexible transmission; for a return to the precision of gear clearance conditions is not allowed, it is required to choose double nuts, it can adjust the magnitude of pre tightening force, keep good, and can be repeatedly adjusted; in addition, restricted travel in space, also can choose the variable lead preload (commonly known as stagger preload), the pretightening force is small, and it is difficult to repeat adjustment, generally do not choose.If the gap is large, please timely maintenance, system compensation value can not be too large, in the case of large gap screw, continue to use, will greatly shorten the service life of the lead screw, and easy to cause damage can not be repaired
- I'd like to make my own lathe screw. What material should I use?
- The ordinary lathe screw is only the general precision grade, and the requirement of the abrasion resistance and the material deformation is not particularly high. So use 45# or 40Cr conditioning.If it is a precision machine tool, such as a rib grinder or an ultra long connecting screw, it requires a high resistance to wear, a small amount of deformation, and can maintain the accuracy for a long time. Use 9Mn2V or CrWMn quenching.
- How about the central screw in the CNC lathe? Or an ordinary side screw!
- Structurally, the center screw must be stable. Without doubt.To tell the truth, NC cars are too many brands, and not so good brand, it is better to see its quality can not do.The lathe is good. Look at the key points. Spindle, wire guide, motor, and the work of its own bed.Table spindle, guide rail, screw rod, motor, high performance price ratio.Japanese spindle, wire rod, guide rail and motor are of good quality, but they are expensive. (people do things too much consideration of the cost, resulting in quality can not keep up. Hey
- What material is used for the screw nut of machine tools?
- As the screw rod 1 to compressive strength and fatigue resistance enough 2 has certain plasticity and toughness, low coefficient of friction and good running in 3 has good thermal conductivity, thermal expansion coefficient and corrosion resistance of low alloy, sliding bearing
- How can the accuracy of the CNC machine tools be compensated after a few years?
- Use laser interferometer to do the screw repair
- I would like to ask what method installed, do not know how many balls, loaded and loaded less, what is the situation, ah, urgent, thank you
- The first floor is right, but this way to operate, few people installed good, there are special tools for ball bearings, if the screw gap, you can replace the ball to repair. LZ I can send you a tool map if necessary. Your points are very attractive - -,
