Luoyang Bearing Research Institute Co., Ltd.

Luoyang Bearing Research Institute Co., Ltd. is a high-tech enterprise specializing in the development of "High-end, precise, advanced, unique, Non-standard" bearing products for the key units in various fields of national economic construction. Its predecessor, Luoyang Bearing Research Institute, was established in 1958. It is the only state-level comprehensive research institute in China's bearing industry. In 1999, it entered China National Machinery Industry Group Co., Ltd. and transformed into a science and technology enterprise.

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CU9508 steel ball roughness measuring instrument

Achievement: Obtained 3 utility models and appearance patents.

Principle: indirect measurement with laser speckle theory.


Application: Measuring and judging high precision steel ball roughness in ball factory.
Features of steel ball roughness measuring instrument:
1. Protection of workpiece: non-contact laser measurement to protect the part surface under test
2. High efficiency: display Ra value and grade directly after placing balls.
3. High precision: Especially suitable for steel balls with high finish. It reduces the mechanical filtering phenomenon which stylus measurement has and improves the accuracy.

Steel ball 

roughness 

measuring 

instrument

Type

Measuring range

Ra measuring range

Indication error

Efficiency 

Ry measuring range

Indication 

repeatability

CU9505B

Steel ball diameter

 Ï†3-70mm

0.005-0.32μm

<15%

About 150 pcs/hour

0.01-0.32μm

>95%

Outer dimension

450*350*570

 (mechanical)

260*320*370 

(electrical)

 

 

 

 

 

Ring and raceway 

roughness 

measuring 

instrument

Type

Size range of measured ring

Indication error

Efficiency 

Ra measuring range

Indication 

repeatability

 

Outer diameter

 (outer ring/

 inner ring)

Radius of 

raceway curvature

Width

 

 

 

 

CU0008

φ30-80mm/φ17-52mm

R2.5-6.2mm

9-18mm

<15%

About 120 pcs/hour

0.020-0.32μm

>95%

CU0013

Φ40-130mm/φ23-75mm

R3-9mm

12-25mm

<15%

About 120 pcs/hour

0.020-0.32μm

>95%