SG402 Ball Screw Whirling Machine

SG402 Ball Screw Whirling Machine

Ball screw whirling machines are indispensable in sectors demanding supreme mechanical precision. Aerospace, automotive, and robotics industries rely on these machines for components that require exact specifications. The precision of ball screws ensures the reliability and efficiency of essential machinery in these fields.

Machine Specification

Spindle (C-axis) output torque

> 4500N. M

Spindle speed

0-15rpm

The diameter of the spindle through hole(3 sets whirling head )

φ130mm、φ180mm、φ250mm

The range of processing diameter

φ25mm -200mm

The effective processing length

<3000mm

Z-axis output torque

> 45N. M

X-axis output torque

> 25N. M

Processing accuracy (aspect ratio within 40)

P5 (Italy or

 

Germany material)

Configuration Machine Components​​

Serial numberNameSupplier manufacturer
1Control systemSiemens
2Spindle bearingGermany FAG or SKF
3Spindle bearingNSK
4Ball screwSpain IPIRANGA

5
Spindle and
Z-axis reduction
servo motor

Siemens
6Spindle rotary encoderRenishaw, United Kingdom
7X, Z axis gratingSpain Fage
8Hydraulic controlHaimen Dongzhou
9Servo jacking mechanismShanghai Lianheng
10Spindle motorSiemens
11Matching sleeveHumberg

Ball Screws Technical Information

Serial  Number

Acceptance project

Accuracy    requirements

1

Spindle axial movement

≤ 0.003mm

 

2

Spindle radial run-out

≤ 0.005mm

3

Concentricity between the center of the center jaw 
and the 
center of the spindle

≤ 0.008mm

4

Concentricity of the cutter head center
and the spindle 
center

≤ 0.005mm

5

Straightness in the vertical plane of the guide rail

≤ 0.005mm/1000

6

Straightness in the vertical plane of the guide rail

≤ 0.025mm/total length

7

Straightness in the horizontal plane of the guide rail

≤ 0.005mm/1000

8

Straightness in the horizontal plane of the guide rail

≤ 0.025mm/total length

9

Parallelism of two rails per meter

≤ 0.005mm

10

The parallelism between the spindle center
and the guide rail 
is at a distance of 300mm

≤ 0.01mm

11

Servo-electric cylinder repeat positioning accuracy

≤ 0.03

12

Processing accuracy GB/T17587.3

P5 (aspect ratio less than 1:40)

Application

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