How to assemble a cross roller bearing
Assembly of cross roller bearings:
1. Inspection of components before assembly: Clean the main shaft, bearing seat or other mounting parts thoroughly, remove oil or impurities, and check whether there are burrs or rough edges.
2. Install the cross roller bearing into the shaft or bearing seat: Since it is a thin-walled bearing, it is easy to tilt when installed. To prevent this phenomenon, please keep it horizontal and tap it evenly with a plastic hammer, and carefully install the cross roller bearing into the bearing seat or onto the shaft little by little until it is confirmed by sound that it is completely close to the reference surface.
3. Installation of fixed flange:
(1) Place the fixed flange on the cross roller bearing. Shake the fixed flange several times to make it match the position of the bolt hole.
(2) Insert the fixing bolt into the hole. When turning the bolt by hand, confirm that the bolt is not difficult to screw in due to deviation of the bolt hole.
(3) The tightening of the fixing bolt can be divided into 3-4 stages from incomplete tightening to full tightening, and tighten it repeatedly in the order of the diagonal line. When tightening the split inner or outer ring, slightly rotate the integral outer or inner ring to correct the deviation between the inner and outer rings and the main body.
Cross roller bearing assembly precautions:
1. The inner or outer ring of the cross roller bearing is divided into two parts, and special rivets, bolts or nuts are used to connect them at the time of delivery. Do not disassemble the cross roller bearing when it is installed in the system. In addition, we would like to remind you that incorrect installation of the cross roller bearing isolation block will seriously affect the rotation performance of the system. Do not disassemble the bearing.
2. The concentricity of the inner or outer ring of the split cross roller bearing may deviate slightly. Therefore, before installing the bearing seat, you can loosen the bolts used to fix the inner or outer ring, and then use a plastic hammer to correct the deviation before assembly.
3. When installing or removing the cross roller bearing, do not apply force to the connecting rivets, bolts and rollers.
4. When installing the fixing flange, consider the dimensional tolerance of the mounting parts so that the flange presses the inner and outer rings from the side. At the same time, it is also forbidden to over-tighten the bearing to cause deformation, which will affect the bearing's rotation flexibility and life. In order to improve the actual matching accuracy of the cross roller bearing during installation, it is necessary to use measurement methods and measuring tools that do not deform the bearing to perform actual precision measurement of the matching surface dimensions of the inner hole and outer circle of the bearing. All the measurement items related to the inner diameter and outer diameter can be measured, and a comprehensive analysis of the measured data can be made. Based on this, the dimensions of the bearing installation parts of the shaft and seat hole can be precisely matched. When actually measuring the corresponding dimensions and geometric shapes of the matched shaft and seat hole, it should be carried out under the same temperature conditions as when measuring the bearing. In order to ensure a higher actual matching effect, the roughness of the surfaces of the shaft and seat hole matching the bearing should be as small as possible. The life of the bearing is closely related to manufacturing, assembly, and use. Every link must be controlled to make the cross roller bearing operate better and smoother, thereby extending its service life.
About JHB:
LuoYang JinShuo Precision Bearing Co., Ltd. is mainly committed to the R&D and sales of high-precision bearings and other special products, and provides bearings and transmission parts with high performance for customers' equipment. With quick response, from pre-sales technical communication to on-time production delivery, as well as perfect after-sales service, we win the recognition and trust of customers.
Our main products include cylindrical roller bearings, tapered roller bearings, slew bearings, gear drives, spindle bearings, crossed roller bearings, turret bearings, thin-wall bearings, tandem roller bearings, spherical roller bearings, etc. The bearing dimensions rang from 100mm to 6000mm, the accuracy reaches P5, P4 and P2 levels. The bearing are widely used in mining and metallurgy, industrial equipment, industrial gearboxes, petroleum equipment, cranes, medical equipment, robotic equipment, etc. Among them, cylindrical roller bearings with better performance and high-precision deep groove ball bearings have been explored for high-speed tubular strander rotating cable equipment, which have completely replaced imports, saving customers costs and time, and improving work efficiency. It has been recognized and widely praised by customers.
Contact JHB:
Address: Yiyang Bearing Industry Zone, Luoyang City, China 47100
Tel/Wechat: +86-18037970383
Whatsapp: +86-18037970383
Fax: 0086-379-65199160
E-mail: lyjh@lyjhbearing.com
sales@lyjhbearing.com
Website: www.chinajhbearing.com
www.lyjhbearing.com