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HPS Series Press Brakes
HPS Series Press Brakes

HPS Series Press Brakes

Introduction
As professional metal forming machine manufacturer and supplier, we provide HPS series press brakes. These bending machines can offer optimal accuracy with electric-hydraulic servo system and advanced CNC machine. The bending process can be set according to customers’ requirements. The non-corrosive surface allows much less maintenance for the press brakes. Special materials will be packed together to avoid possible damage during delivery. Our company offer excellent after-sale service and could help you know all the affecting factors to obtain the optimal bending process and accurate bending results.

Characteristics
1. HPS Series Press Brakes are equipped with electric-hydraulic servo system and allow for synchronous movement controlled by fully closed loop.
2. These bending machines feature in a back gauge driven by servo motor and a ball screw guided by two linear bearings.
3. Advanced CNC machine allows for data rectifying process, so as to ensure accuracy.
4. Ram deflection can be compensated with crowning on working table.
5. A variety of combination of top tooling and bottom tooling is available for customers.

1. Linear encoders

Linear encoders for ram position measuring contribute to optimal accuracy.

2. Control technology

Two linear encoders (Y1-Y2) are set on two sides of the press brakes, which are used to measure the exact distance between the ram and worktable. The encoders are connected to the table so as to prevent deformation of the side frames from affecting positioning. In addition, the obtained data is immediately sent to the control system for calculation and then the servo valves receive the corresponding control signal. CNC system is used to rectify two servo calves in case of any error. Also, it always ensures the parallel state between the ram and worktable of the bending machine.

3. Machine Configuration

CNC crowning is set on worktable of the press brakes with double wedges moving relatively to ensure accurate bending compensation. After parameters such as sheet thickness, sheet length, die opening and tensile strength data are conveyed to control system, force and related crowning compensation value are automatically determined. It’s better to add preloading process to each bending process.

(1) Worktable crowning system can be controlled by hand wheel or by motor. Programmable crowning system V-axis is optional.

(2) Automatic back gauge system is characterized by high precision. The components include X axis transmission by gear belt driven by servo motor, servo driven R axis for vertical movement, and stopping finger with manual transverse movement.

(3) Equipment for option (quick clamping top tooling & special tooling & throat & back safety guarding).

(4) CNC controller DA52. (Option: DA56)

 
Parameters of HPS Series Press Brakes

50 to 200 tons

Name   HPS 50/20 HPS 80/25 HPS 100/30 HPS 100/40 HPS 135/30 HPS 135/40 HPS 165/30 HPS 165/40 HPS 200/25 HPS 200/30 HPS 200/40
Pressing force kN 500 800 1000 1000 1350 1350 1650 1650 2000 2000 2000
Working length mm 2050 2550 3050 4000 3050 4000 3050 4000 2550 3050 4000
Distance between uprights mm 1640 2050 2550 3150 2550 3150 2550 3150 2050 2550 3150
Stroke mm 200 200 200 200 200 200 200 200 250 250 250
Distance table/ram mm 380 380 400 400 400 400 400 400 450 450 450
Depth of throat mm 300 400 400 400 400 400 400 400 400 400 400
Table mm 140/60 140/60 180/60 180/60 180/60 180/60 180/60 180/60 180/60 180/60 180/60
Approach speed mm/s 150 150 130 130 120 120 120 120 100 100 100
Working speed mm/s 10 10 10 10 10 10 10 10 10 10 10
Return speed mm/s 110 110 110 110 110 110 110 110 110 110 110
Motor kW 5.5 7.5 11 11 15 15 18.5 18.5 18.5 18.5 18.5
Volume of oil tank L 180 260 320 320 320 320 350 350 400 400 400
Travel in X axis mm 600 600 600 600 600 600 600 600 600 600 600
Length mm 2185 2640 3320 4320 3320 4320 3320 4320 2820 3320 4320
  mm 1450 1640 1660 1660 1700 1700 1750 1750 1900 1900 1900
  mm 2275 2300 2500 2500 2500 2500 2500 2500 3200 3200 3200
Weight kg 5000 6000 7000 8500 10000 12000 11500 12500 11000 12500 13000
 

250 to 400 tons

Name 　 HPS 250/32 HPS 250/40 HPS 250/50 HPS 250/60 HPS 320/32 HPS 320/40 HPS 320/50 HPS 320/60 HPS 400/40 HPS 400/50 HPS 400/60
Pressing force kN 2500 2500 2500 2500 3200 3200 3200 3200 4000 4000 4000
Working length mm 3250 4000 5050 6050 3250 4000 5050 6050 4000 5050 6050
Distance between uprights mm 2550 3150 4050 5050 2550 3150 4050 5050 3150 4050 5050
Stroke mm 280 280 280 280 280 280 280 280 300 300 300
Distance table/ram mm 520 520 520 520 520 520 520 520 570 570 570
Depth of throat mm 400 400 400 400 400 400 400 400 400 400 400
Table mm 250 250 250 250 250 250 250 250 250 250 250
Approach speed mm/s 100 100 100 100 100 100 100 100 100 100 100
Working speed mm/s 9 9 9 9 10 10 10 10 8.4 8.4 8.4
Return speed mm/s 110 110 110 110 100 100 100 100 88 88 88
Motor kW 22 22 22 22 30 30 30 30 30 30 30
Volume of oil tank L 700 700 700 700 700 700 700 700 700 700 700
Travel in X axis mm 600 600 600 600 600 600 600 600 600 600 600
Length mm 3500 4450 5500 6500 3600 4450 5500 6500 4450 5500 6500
  mm 2000 2000 2000 2000 2200 2200 2200 2200 2300 2300 2300
  mm 3700 3700 3700 3700 3800 3800 3810 3810 4010 4010 4010
Weight kg 15000 16500 20000 24500 17500 19500 23500 29000 26000 30500 34000
 
Key components:
Name Supplier Origin
Seal MERKEL or NOK Germany or Japan
Hydraulic valve unit BOSCH Germany
Linear encoder HEIDENHAIN Germany
Servo motor and servo dirve ESTUN China
Oil pump NACHI Japan
CNC system DELEM or CYBELEC Holland or Switzerland

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