Jiaxing bearing of main shaft processing key points and the necessary precautions

There is rotational, have HRB bearing ( ) Jiaxing bearing group sales co. , LTD. ( The company) Is bearing group co. , LTD. Established in jiaxing spot sales window, specializing in HRB brand bearings, facing the whole country, the existing stock 50 million yuan, covers the whole bearing, have very strong spot supply, is the group's retail sales center. Spindle machining of the main problem is how to ensure that the spindle axis neck size, shape, position precision and surface roughness, end of inside and outside the cone shape accuracy, surface roughness and their effect on supporting shaft neck position precision. Spindle bearing shaft neck size accuracy, precision and shape of the surface roughness requirements, can be ensure the precision grinding methods. Should improve the accuracy of fine benchmark before grinding. Ensure the accuracy of the spindle front inside and outside cone shape, surface roughness should also adopt the method of precision grinding. In order to guarantee the position accuracy of male cone relative supporting shaft neck, as well as the supporting shaft neck between location precision, usually adopt combination grinding method, processing the surface in a clamping, machine tools, there are two separate grinding wheel rack, fine grinding on the two station, station Ⅰ fine grinding front and rear axle neck cone, workstation Ⅱ with Angle of forming grinding wheel, grinding spindle front bearing surface and short cone. Spindle taper hole relative to the location precision of supporting shaft neck is adopt as A supporting shaft neck A, T positioning base, and to be machining spindle clamping on the grinding machine work to guarantee. Supporting shaft neck as locating datum processing inner cone, conform to the principle of benchmark superposition. Before finishing the front cone hole, supporting shaft neck should make as positioning reference, T reach A certain precision. Grinding spindle taper hole generally adopts special fixture, jig by base, support, and floating chuck of three parts, two stents on the base, as two section of the journal of the workpiece positioning surface on the support of two V block, V block with hard alloy, in order to improve the wear resistance, and to reduce the scratch of the workpiece axis neck, the center of the workpiece should be exactly equal to the center of the grinding head spindle high high, otherwise it will make the taper hole busbar is hyperbolic, affect the contact accuracy of inner cone hole. Backend floating head card with taper shank in a grinder spindle taper hole, workpiece end inserted in the elastic sleeve, shell of floating with the spring clip to zola, along with the workpiece through the ball pressure to the taper shank end face with hard alloy, limiting axial channeling motion artifacts. This connection mode is proposed, which can ensure the workpiece axis neck position precision is not affected by internal grinder spindle rotation error, also can reduce the vibration impact on the quality of machining machine tool itself. Spindle machining cylindrical surface, should be in top hole as a unified locating datum. But in main shaft of machining process, as the hole processing, as the center of the locating datum holes disappear, process is often used with a central hole on both ends of the spindle taper plug hole, make top of cone hole ACTS as additional locating datum. If you are interested in the above HRB bearing the author introduces the information or have any questions, please click on the website on the right side of the online customer service or call:, you close the way of jiaxing bearing purchasing advisors. - - - - - - Editor: jiaxing bearing sourcing consultant LTD. All rights reserved, The company) Reprint please indicate the source