WORLD power press machine manufacturer and supplier 

Tel: 86-15696788493   Email:  sales3@worldpowerpress.com

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JH21-250 Mechanical Hole Punching Machine

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WORLD BRAND

JH21-250 Mechanical Hole Punching Machine

JH21 C frame mechanical power press machine (punching press, press machine, stamping press), capacity range from 25 ton to 400 ton. Welded steel body, heat treatment, shot blasting, better rigidness, accuracy and stability. PLC control, wet type combined pneumatic clutch and brake, hydraulic overload protected, auto lubricated. The press can work with NC feeder for automatic production.

WET CLUTCH

HYDRAULIC OVERLOAD PROTECTING PUMP

AUTO LUBRICATION SYSTEM

PRODUCT SPECIFICATION

WORLD

  • Steel welded body, tempering treatment, high rigidity, accuracy and stability.

  • Cross located crankshaft, compact structure.

  • The crankshaft undergoes grinding treatment after high frequency quenching.

  • The crankshaft undergoes grinding treatment after high frequency quenching.
     

  • PLC control and imported safety dual valve.
  • Pneumatic dual balance cylinder, which balances the slide block and ounch weight to reduce noise and impact.
  • Wet clutch and hydraulic overload protected pump.
  • Both auto grease lubrication system and manual thin oil lubrication system.
ITEMCODEUNITJH21-250
Nominal CapacityPeKN2500
Slide Stroke LengthSmm220
Slide StrokesFixed
spm30
Variable(optional)
spm20-35
Max. Die Shut HeightH2mm500
Die Shut Height Adjustmenttmm120
Throat DepthC1mm450
Distance Between Uprightsd1mm980
Slide Bottom SizeFBbmm700
LRamm950
Shank Hole SizeDiameterdmm70
DepthImm130
Table SizeFBDmm880
LRCmm1500
ThicknessH3mm190
Table Hole Diameter¢mm260
Overall DimensionsFBAmm2660
LRBmm1640
HeightHmm3850
Motor Power
KW22
Weight(approximate)
kg23200


DETAILS INTRODUCTION

WORLD

 

Wet Clucth

 

Wet type pneumatic clutch with imported clutch disc, NOK seals, lower noise and maintenance cost, longer service life.

 

HMI for Easy Operation

HMI according to the working time or working stroke times.The press has both mechanical and electrical cam controllers. The precision is 0.1mm. 

High  Precision for Sheet Metal Punching 

 

JH21 C frame press uses rectangular type lengthened slide guides with bronze plates for higher guide precision.

Hydraulic Overload Protected 

 

The press is standard equipped with Japanese SHOWA hydraulic overload pump. 

APPLICATIONS

WORLD

JH21-125 C Frame Pneumatic Press Machine

Adopt to sheet metal punching , cutting, bending, drawing,stamping,blanking and forging process

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OUR CUSTOMERS

WORLD

OUR FACTORY

WORLD

WORLD GROUP
 

World group was established in 1988 as a private company in Danyang City, Jiangsu Province. World has 21 subsidiary companies totally. The main business is to produce and sell power press machines, agriculture machines,construction machines, auto parts and garden tools.

 

For 30 years, World group has been making suitable progress possible and driving positive change on each industry. World has applied for 573 patents and obtained 122 authorized patents, 404 utility models patents, 36 invention patents and 47 design patents. World is also a registered well-known trademark by SAIC.

 

With 2016 sales and revenues of $3.692 billion, World group is one of the TOP500 private companies in China and TOP100 companies in Jiangsu Province. Now, World is one of the leading power press manufacturers, the biggest combine harvester manufacturer, the biggest lawn mower manufacturer, and one of the main construction machines manufactures in China.

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