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There are many types of nuts in the product catalogs of various ball screw manufacturers. The first few letters in the general model number indicate the nut type.
According to the flange form, there are round flange, single trimmed flange, double trimmed flange and flangeless flange.
According to the length of the nut, there are single nuts and double nuts (note that there is no difference in load and rigidity between single nuts and double nuts. Do not listen to the manufacturer's sales staff's speech on this point. The main difference between single nuts and double nuts is that the latter can adjust the preload. The former cannot, and the price and length of the latter are roughly twice that of the former).
When the installation size and performance permit, designers should try to choose conventional ball screws when selecting to avoid problems with the delivery date of spare parts during maintenance. Recommendation: Choose double nuts for frequent movements and high-precision maintenance situations, and single nuts with double trimming for other situations.
Summary and recommendation: Try to choose single nut with internal circulation double trimming flange as the nut form.
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