PRODUCTS

The company is a manufacturer engaged in the research and development of pipe processing equipment. We have always been committed to designing and manufacturing advanced CNC pipe bending machines, single head hydraulic pipe bending machines, double head hydraulic pipe bending machines, circular pipe machines, automatic pipe cutting machines, metal circular saws, pipe end forming machines, chamfering machines, aluminum cutting machines and other pipe processing equipment.

DW75CNC-3A-1S Automatic high precision servo pipe bending machine
2024-10-28
The structure of the machine consists of 8 parts: Bed part, main drive part, clamping part, guide part, mandrel mechanism, hydraulic system, electrical system, mold part, the feeding part and the corner part.
PRODUCT DETAILS
  • Bed part

    The bed part is a bending and welding structure, which is the carrier of other parts.


  • Main drive part

    The main drive part is composed of three parts: spindle, sprocket, chain and cylinder, which can realize bending and return action.


  • Clamping part

    The clamping structure is used to clamp the pipe and rotate with the spindle so that the abrasive tool and the pipe fitting rotate at the same time.


  • Guide part

    The guide mechanism supports the straight part of the pipe during the bending process, and the pipe moves forward with the guide mold during the bending process. The clamping action of the clamping guide structure is driven by the hydraulic cylinder, and the peephole cover plate on the side can be opened for inspection, maintenance and adjustment.


  • Mandrel mechanism

    Mandre mechanism is located at the back of the bed, through the screw drive, the required bending radius of the mandrel can be adjusted. The mandrel action is realized by the mandrel and the oil cylinder, and the lead of the mandrel can be adjusted by adjusting the nut. The mandrel support device, supporting mandrel and pipe fittings are installed on the bed.


  • Hydraulic system

    The hydraulic system control components are imported from Taiwan brand, the hydraulic system adopts integrated channel block structure, the hydraulic pipeline adopts seamless steel pipe, and the high pressure hose is used at the active connection. The "U" shaped quick fitting joint eliminates the system leakage phenomenon and improves the reliability of the hydraulic system.

     

  • Electrical system

    Electrical system field 50HZ, 380V three-phase AC power supply, control line route 380/110V control transformer power supply, used to control the contactor, intermediate relay and solenoid valve work, the main electrical components selected imported brands, the power line is mainly driven by a Y series three-phase asynchronous motor hydraulic system. The main control components are controlled by Japanese Mitsubishi PIC program, and all the control button signals come from the safety cabinet.


  • Mold part

    The mold of the machine is composed of bending die, moving jaws, pressure die, core, etc., and anti-wrinkle plate and soft core head can also be added according to the needs of users and actual pipe bending to improve the bending quality of the pipe.

     

  • Feed part

    Japan Mitsubishi servo drive, servo motor push car feed accurate, feed curve amplitude accurate Angle, feed shaft automatic detection, to avoid collision with the machine.


  • Corner part

    Mitsubishi servo drive, servo motor, automatic Angle detection, clamping stability, to ensure safety.

 

The machine is equipped with safety limit and emergency stop button to ensure the safety of the operator.

NUMBERING SPECIFICATION
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In this model DW75CNC-3A-1S, DW stands for single-head pipe bending machine, 75 stands for maximum bending pipe diameter, 3A stands for 3-axis servo, and 1S stands for single-layer mold.


TECHNICAL REFERENCE

NumberNameUnitParameterComment
1Maximum bending pipe diameterMMφ75x5T Carbon steel3D
2Maximum bending radiusMM350Available according to customer requirements
3Minimum bending radiusMM2D
4Maximum feeding lengthMM3000Available according to customer requirements
5Feeding mode
1. Direct2. Clip deliveryCan choose
6Maximum bending AngleDegree190
7Use controller
PLC
8Number of bent pipes per pipe fittingPiece45Available according to customer requirements
9Working speedBending velocityDeg/sec20Can adjust
Spinning speedDeg/sec100Can adjust
Feed rateDeg/mm300Can adjust
10PrecisionFeeding accuracymm±0.1
Rotor accuracymm±0.1
Bending accuracyDegree±0.1
11Feed servo motor powerW2000
12Rotating tube servo motor powerW1000
13Bending servoW11000
14Maximum pressureMPa14Can adjust
15Hydraulic system control
Electromagnetic directional valve
16Tank capacityL300
17Machine weightKG4000
18Machine sizeMM5800×1350×1230

 


Configuration table


NumberNameOrder number
1Touch screen10.4 inch touch screen
2PLCMitsubishi
3Air switchSchneider of France
4ContactorSchneider of France
5Thermal protectionChint
6ScramSchneider of France
7Proximity switchJapanese Omron
8Servo motorMitsubishi
9Reduction gearPHT
10Adapter plateFeng Wei
11TransformerZheng's electric Apparatus
12Switching power supplyMingwei
13Circuit breakerChint
14Limit switchChande
15Electric wireNanyang Cable
16TerminalChande
17Solenoid valveNorthern precision Machinery
18Cylinder sealDingji
19Electric machineTaihu Lake in Jiangsu
20Linear guideShanghai Yin


 








 


PRODUCT REFERENCE PICTURE

Abrasives reference drawing

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Product testing and processing equipment

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CNC AUTOMATIC PIPE BENDING MACHINE EQUIPMENT PERFORMANCE
  • Rich experience in pipe bending process and advanced mold design and manufacturing.

  • Electronic control system: Japan Mitsubishi servo drive, servo motor, positioning module, CPU, etc., strong performance, good stability.

  • Mitsubishi super large CPU can accommodate 400 sets of file editing.

  • It has automatic error detection and fault detection function, and displays on the screen, so that the operator can easily remove obstacles.

  • The machine is equipped with automatic oil injection system, which can reduce the bending friction, increase the life of the mandrel and ensure the bending quality.

  • Japan Mitsubishi programmable controller is selected for control.

  • Electrical control can achieve the point, single action, automatic three functions.

  • Adopting integrated channel block structure, the hydraulic system has high reliability.

  • A mandrel mechanism is provided to bend with or without a core.

  • Safety limit and emergency stop button are provided to ensure operator safety.

  • The replacement mold can bend various profiles.

  • Clamping and mandrel parts are provided with a separate cylinder drive, when the bending arm turns, the pipe can achieve high precision bending forming in the common constraints of the above parts and each part of the mold.

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