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JH21 Pneumatic Punching Machine

A pneumatic punching machine uses compressed air to generate high pressure to be applied on the piston.

Quantity:
  • JH21 Series
  • Durmapress
Product Description

1. Fabrication Technology

  • Steel welded frame with high intensity

  • Germany Siemens main motor;

  • Combined dry pneumatic friction clutch and brake;

  • Gear pairs: oil bath lubrication

  • Six-face rectangle lengthened guide rail;

  • Rigid collapse-type insurance components;

  • JH21-16/ 25/ 25B / 45 manual adjustment die height, JH21-25 / 45: scale indication, JH21-63: digital display;

  • JH21-63 and above: electric adjustment die height with digital display;

  • JH21-45 electric adjustment die height (optional) with digital display;

  • The slider is equipped with a lifting balance cylinder (except JH21-25)

  • lmported dual solenoid valve;

  • JH21-160 and above adopt grease forced lubrication system;

  • Balance cylinder: manual Lubrication;

  • Set a group blowing device

  • Estun PLC controller;

  • Contactor, button and indicator of International brand;

  • Optional: air-cushion device, auto-feed shaft device, photoelectric protection, and various automated equipments;


2. Standard Configuration: .

  • Germany Siemens three-phase asynchronous motor

  • Shanghai YUY| dry clutch

  • Taiwan KingAir hydraulic Insurance Component

  • Japan TACO dual Solenoid valve

  • Kunshang Yuxi display

  • Zhejiang Yuxiang lubrication system with electric lubrication pump

  • 45T and below is mechanical cam, above 45T is electronic cam

  • S78 series is equipped with Bejing Jinzhuli damping cushion

  • France Schneider electrics

  • Chinese high-performance pedal switch, movable console

  • Estun PAC300 PLC controller


3. Safety Standard: 

  • Schneider electric (safety grade 4)

  • Rear metal safety fence, line with CE standard

  • Safety relay monitor pedal switch, safety protection.

  • Chinese high-performance pedal switch, line with safety standard


4. Estun PAC 300PLC controller

  • Auto-expanded input and output channel according to actual needs, upmost u to 40 logic input channels and 40 output logic channels

  • Touch screen operation and customizable interface provide a good human-computer interactive interface

  • Upmost support 20 channel electronic cam/cutting and programmable DM

  • Auto dead- point compensation function

  • Can restore 10 sets die database

  • Die Counting function

  • Various lubrication ways

  • Dual-channel tonnage monitoring function

  • TW0 overload treatment methods, compatible with overload safety valves of majority of machines

  • Frequency converter control function

  • Can be equipped with input and output interface (optional)

  • Abnormal brake alarm function

  • Upper dead-point over-stroke hardware and software dual protection

  • Adopt rotating transformer for detecting angle, and improving machine reliability (such as: vibration resistance, impact resistance, high accuracy)

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Components

No .

Accessory name

Model / manufacturer

Configuration

1

Controller

ESTUN PAC 300 PLC

Standard

2

Hydraulic overload protection

Made in China

3

Electric machine lubrication

Made in China

4

Frequency converter

DELTA-Taiwan

5

Die height indicator

Made in China

6

Slider and die balance device

Made in China

7

Electronic rotating cam switch

Made in China

8

Electronic crankshaft angle and speed display

Made in China

9

Vibration-proof foot

Made in China

10

Counter

Made in China

11

Pre-tailored calculator , pre-punching counter

Made in China

12

Photoelectric protection

Made in China

Optional

13

Air cushion device

Made in China


14

Quick die-exchanging device

Made in China


15

Slider topping device

Made in China

Optional

16

Wrong-feeding detecting device

Made in China


17

Feeder, mechanical hand

Made in China



Technical Data
No.DescriptionUnitJH21-16JH21-25JH21-45JH21-63JH21-80JH21-110JH21-125JH21-160BJH21-200BJH21-250JH21-315JH21-400
1-Nominal ForceKN1602504506308001100125016002000250031504000
2-Nominal Strokemm2344566668810
3-Slider Strokemm6080100120140160160160200200200200
4-Stroke timesFixedmm13510080706050504035303025
Variable120-15080-12070-9060-8050-7040-6040-6035-5030-4025-3525-3520-30
5-Max Die Heightmm220250270300320350350350450430430430
6-Die Height Adjustmentmm30506080808080no —110120120120
7-Distance from Slide Center to Machine Bodymm160210230300300350350380390420420420
8-Bolster Size ( F - B*L- R )mm310*700400*700440*810580*900580,1000680*1150680*1150740*1300760-1400800*1400800*1400800-1400
9-Bolster Blanking Hole (Up Dia*Depth*Low Dia )mmΦ170*20*Φ150Φ170*20*Φ150Φ180*30*Φ16OΦ200*40*Φ180Φ200*40*Φ180Φ260*50*Φ220Φ260*50*Φ220Φ300*50Φ260Φ300*50*Φ260Φ320*50*Φ280Φ320-50-Φ280Φ320-50*Φ280
10-Bolster Thicknessmm6580110110120140140150160170170180
11-Bed Opening (Dia/F - B*L. R)mm200*220260*250300*300390*460390*520420*540420*540480*600480*600 370*570(气垫)370*570440*580440*580
12-Slider Bonon Size (F- B・L・ R )mm250*320300*360340*410400*480420*560500*650540*680580*770600*800650*850650*850690*900
13-Shank Hole (Dia^Depth)mmΦ40*60Φ40*60Φ40*60Φ50-80Φ50-80Φ60*80Φ60-80Φ65*85Φ65*90Φ70*90Φ70*90Φ70*90
14-Columns Intervalmm460450550560640760760850870960920960
15-Main Motor PowerKw335.55.57.511111518.5223037
16-Machine Outline Size (L*W*H )mm1500*1040*20001300*1025"21501390*1125*22751580*1205*25801640*1290*28001850*1450*30601850*1490*30602230*1630*31002480*1645*35202800*1730*35502800*1730*37103140*1800*3970
17-Net WeightKg24002600345052006720930098001450017400221002230028700


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