Zhejiang Wuxing Technology Co., Ltd. | Taizhou Kepu Machine Tool Co., Ltd.
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KP7025 CNC ball grinder
project unit KP7025
Sphere specification in 2-6
Sphere inner diameter mm DN50-150
Sphere outer diameter mm Ø70-250
Center height mm 130
Top distance mm 70-250
Tailstock stroke mm 200
Workbench maximum load bearing Kg 200
Grinding wheel motor power Kw 6
Grinding wheel maximum speed Rpm 2500
Headstock motor power Kw 0.4
Head frame maximum speed Rpm 50
X/Z axis travel mm 200/250
Head and tail frame top MT5+MT4
X/Z axis repeat positioning accuracy mm ±0.005
Surface roughness Ra <0.4
Spherical ovality mm <0.015
Dimensions (length x width x height) cm 220x170x190
weight T 4

Detail
♦ The lathe is controlled by CNC system; the CNC function of complete machine is realized by all-digital alternating current servo driver’s controlling over two servo motors. The horizontal traverse X axis and longitudinal traverse Z axis of platen are driven by servo motors. They have non-intermittent motionthrough direct-connection ball screw of fine coupling, to make the whole grinding process realize automatic processing according to program. In this way, one person can manage multiple machines; labor costs can be reduced for users; and productivity can be enhanced.
♦ Grinding ball materials: A105,2Cr13, 304, 304L, 316, 316L, LF2, F51, 17-4PH, Monel, ENP, Chrome Plating, Tungsten Carbide, Stellite,Inconel, and ceramic ball valves etc.


MODEL AND MAIN SPEC. 

Models
KP7015
KP7025
KP7040
KP7050
KP7060
KP7090
KP7120
KP7160

KP7230

Spec.of sphere(in) 1/2-4
2-6
4-10
4-12
8-16 12-24 18-32 20-42 40-60
Inner diameter of sphere(mm) DN15-100
DN50-150
DN100-250
DN100-300
DN200-400 DN300-600 DN450-800 DN500-1050 DN1000-1500
Outer diameter of sphere(mm) Ø30-150
Ø70-250
Ø150-400
Ø150-500
Ø300-600 Ø450-900 Ø650-1200 Ø800-1600 Ø1500-2300
Height of center(mm) 80
130
200
260
320 500 650 850 1200
Distance between centers(mm) 30-150
70-250
100-400
150-500
300-600 380-900 650-1200 800-1600 1500-2300
Shift motion of tailstock(mm) 200
200
300
350
400 600 600 750 900
Max.load-bearing on workbench(Kg) 150
200
400
500
1000 2000 4000 10000 25000
Grinding wheel motor power(Kw) 4
6
7.5
7.5
11 18.5 22 30 37
Grinding wheel spindle speed range(Rpm) 3000
2500
2500
2000
1500 1200 1000 800 500
Headstock motor power(Kw) 0.4
0.4
0.4
0.4
0.4 1.1 1.1 1.5 3.7
Headstock spindle speed range(Rpm) 50
50
30
30
20 15 12 8 5
X/Z axis travel(mm) 200/200
200/250
250/250
250/250
250/250 400/400 450/450 500/500 600/600
Headstock/tailstock center model MT5/MT4 MT5/MT4
MT5
MT5
MT5 MT6 MT6 公制100 公制120
repeated positioning accuracy(mm) ±0.005
±0.005
±0.005
±0.005
±0.005 ±0.005 ±0.005 ±0.005 ±0.005
Surface roughness(Ra) <0.4
<0.4
<0.4
<0.4
<0.4 <0.4 <0.4 <0.4 <0.4
Sphere roundness(mm) <0.015
<0.015
<0.02
<0.02
<0.02 <0.02 <0.02 <0.03 <0.03
Overall dimension(cm) 200x170x190
220x170x190
240x200x190
260x200x190
270x220x230 350x300x300 400x340x300 500x350x300 700x500x400
Weight of machine(T) 3
4
5
6 9 16 23 35 60
Due to the continuous upgrading of the product, it is subject to change without prior notice

Accessaries

Hydraulic system(Suit) 1 1 1 1 1 1 1 1 1
Filter system(Suit) 1
1
1
1
1 1 1 1 1
 Parallels for machine(Piece) 4
6 6 6
8 10 12 16 20
Center(Piece) 2
2
2
2
2 2 2 2 2
Common tools(Suit) 1
1
1
1
1 1 1 1 1
Grinding wheels(Piece) 4
5
6
6 5 7 8 11 11

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