HARSLE Punching Machine Series

Punching Machine Fast Holes, Slots and Shapes in Sheet Metal

Eccentric, deep-throat, pneumatic and CNC turret punch presses.

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HARSLE Eccentric Punch Press punching machine
  • 100+Countries Served
  • 18+Years Experience
  • 10,000+Machines Delivered
  • 10–400 TMechanical & pneumatic force
  • 3-YearWarranty

Punching Machine Basics

What Is a Punching Machine?

A punching machine (punch press) cuts holes, slots and shapes in sheet metal by driving a punch through the sheet into a matching die. Mechanical eccentric presses cover general blanking and stamping, pneumatic-clutch presses add speed and safety, and CNC servo turret punches position the sheet automatically to punch complex patterns with many tools.

High-Performance Metal Punching for Modern Fabrication. HARSLE delivers world-class punching machines engineered for precise hole forming, exceptional accuracy, and reliable performance across global industries.

Punch selection depends on punching force (perimeter × thickness × shear strength), stroke rate, throat depth for large parts, and whether parts need CNC positioning and multiple tools.

Punch press series
5
Mechanical & pneumatic force
10–400 T
CNC servo turret
20–30 T
Worktable options
Tiltable / fixed
High-speed JH21 series
Pneumatic clutch
STP turret automation
Full CNC
HARSLE Deep Throat Punch Press punching machine
Deep Throat Punch Press — J21S Series – Fixed Table Deep Throat

Our Product Range

Punching Machine Solutions

Expertly engineered for precision punching, high efficiency, and long-term reliability.

Eccentric Punch Press J23 Tiltable Design

Eccentric Punch Press Punching Machine

J23 Series – Tilt Punch Press

Mechanical tiltable punch press with versatile worktable positioning, suitable for multi-angle punching operations. Economical, practical, and flexible for various punching requirements.

  • Tiltable worktable for multi-angle operations
  • Rigid steel welded frame construction
  • Economical and practical design
  • Punching force up to 200 tons
Deep Throat Punch Press J21S Extended Reach

Deep Throat Punch Press Punching Machine

J21S Series – Fixed Table Deep Throat

Deep throat design with fixed table for processing larger workpieces. Extended throat depth provides excellent stability and expanded working range for oversized materials.

  • Extended throat depth for large materials
  • Fixed table design for stability
  • Expanded working range capability
  • Punching force up to 200 tons
Flexible Punch Press JE23 Adjustable Stroke

Flexible Punch Press Punching Machine

JE23 Series – Adjustable Stroke Press

Flexible stroke adjustment capability for various punching processes. Adaptable to different dies and materials, improving production flexibility and efficiency.

  • Flexible slider stroke adjustment
  • Adaptable to various die requirements
  • Enhanced production flexibility
  • Punching force up to 200 tons
Pneumatic Punch Press JH21 High Precision

Pneumatic Punch Press Punching Machine

JH21 Series – Pneumatic Clutch Press

High-precision pneumatic clutch design for improved automation and processing efficiency. Ideal for high-frequency, high-precision punching operations with fast response and energy efficiency.

  • High-precision pneumatic clutch system
  • Fast response for high-frequency operation
  • Energy-efficient performance
  • Punching force up to 400 tons
Servo Turret Punch Press STP Multi-Station

Servo Turret Punch Press Punching Machine

STP Series – CNC Turret Punch

Multi-station turret design for rapid die switching and efficient continuous punching. Perfect for high-volume production with enhanced automation and productivity levels.

  • Multi-station turret for rapid die changes
  • Servo-driven for precision control
  • High-volume continuous punching capability
  • Punching force up to 30 tons

Core Strengths

Why Choose HARSLE

Providing industry-leading punching machine solutions with global support and guaranteed reliability.

Advantage 1Guaranteed Long-Term Performance

3-Year Warranty

“Unmatched coverage for your peace of mind and production stability. We stand behind every punching machine we build with a comprehensive protection plan.”

Full System Protection

36-month warranty covers mechanical systems, electrics, dies, and CNC controllers, ensuring your punching investment is secure for years.

Swift Replacement

Global spare parts network ensures rapid die and component replacement. Most parts dispatched within 24-48 hours.

100% Core Parts

Complete coverage on all critical components including frame, clutch, crankshaft, and drive systems for total peace of mind.

24h Response Time

Our technical support team responds within 24 hours to any warranty claim or punching machine troubleshooting request globally.

Selection Guide

How to Choose

Expert insights to help you choose the perfect punching machine for your metal forming needs.

How to Calculate Punching Force

Selecting the right punching machine starts with calculating the required punching force.

Punching Force Formula:

P = L × t × τ

P = Punching Force (kN)

L = Hole Perimeter (mm)

t = Material Thickness (mm)

τ = Shear Strength (MPa)

Calculation Example

Punching a Ø20mm hole in 3mm mild steel (τ=350MPa):

P = π × 20 × 3 × 350 / 1000 = 65.9 kN ≈ 6.7 tons

Recommendation: Choose at least J23-16T or higher

Use Online Calculator

Material Shear Strength

Use these shear strength values (τ) in your calculations for accurate force estimation.

Shear Strength by Material (MPa)

  • 350Mild Steel
  • 500Stainless Steel
  • 150Aluminum
  • 250Copper

Safety Factor Guidelines

Always apply a safety factor of 1.2 – 1.3 to your calculated force.

This accounts for die wear, material variations, and ensures reliable operation over time.

Tip: For multiple holes, calculate each force separately and add them together.

Punch Press Model Comparison

Compare different punch press types to find the ideal machine for your specific punching requirements and production volume.

Mechanical & pneumatic force
10–400 T
CNC servo turret
20–30 T
Worktable options
Tiltable / fixed
Punch Press Model Comparison
FeatureJ23 EccentricJ21S Deep ThroatJE23 FlexibleJH21 PneumaticSTP Turret
Drive TypeMechanicalMechanicalMechanicalPneumatic ClutchServo Motor
WorktableTiltableFixedFixedFixedCNC Positioning
Throat DepthStandardExtendedStandardStandardLarge Format
StrokeFixedFixedAdjustableFixedVariable
Max Force10-200T10-200T10-200T10-400T20-30T
Best ForGeneral UseLarge PartsMultiple DiesHigh SpeedHigh Volume
AutomationManual/SemiManual/SemiManual/SemiSemi/AutoFull CNC
Price LevelEntryEntry-MidMidMid-HighPremium

Need numbers for your parts? Try the free Punching Force Calculator.

Punching Machine Essentials

Automated Production Line

HARSLE offers complete automated punching solutions with servo feeders and material racks. Achieve unmanned operation, higher productivity, and consistent quality for high-volume production demands.

  • Servo feeder with ±0.05mm positioning accuracy
  • Coil/sheet material rack for continuous feeding
  • PLC control for fully automated operation
  • Reduce labor costs by up to 70%
  • Customizable for various production requirements

Global Footprint

Global Success Stories

Every punching machine shipment and customer story HARSLE publishes appears here automatically. Filter by machine or country.

Kazakhstan Customer Endorses HARSLE Turret Punching Machine
Punching MachineKazakhstan

Kazakhstan Customer Endorses HARSLE Turret Punching Machine

  • KazakhstanCustomer location
  • Punching MachineHARSLE equipment
  • Apr 2025Story published

Discover why our Kazakhstan customer fully endorses the HARSLE turret punching machine for its exceptional performance and service. HARSLE Turret Punching Machine: Kazakhstan's Top Choice The…

More punching machine customer stories

Read the full story
  • 1,209Shipments published
  • 118Destination countries
  • 120Customer stories
  • LiveUpdated as we ship

FAQ

Frequently Asked Questions

Get answers to common questions about punching machines and HARSLE equipment

Ask our engineers

How do I calculate the required punching force?

Use the formula: P = L × t × τ, where P is punching force (kN), L is hole perimeter (mm), t is material thickness (mm), and τ is shear strength (MPa). For mild steel, τ ≈ 350 MPa.

Use our online punching force calculator for quick and accurate results. Always apply a 1.2-1.3 safety factor.

What's the difference between mechanical and pneumatic punch presses?

Mechanical punch presses (J23, J21S, JE23) use a flywheel and clutch for power, offering high force and reliability. Pneumatic punch presses (JH21) use air-operated clutches for faster response, higher speeds, and better precision control – ideal for high-frequency production.

How accurate is a HARSLE punching machine?

HARSLE punching machines achieve hole positioning accuracy of ±0.1mm with proper die alignment. Our servo turret punch presses (STP series) offer CNC positioning accuracy of ±0.05mm for precision sheet metal fabrication.

What materials can be punched?

Mild steel, stainless steel, aluminum, copper, brass, galvanized steel, and most sheet metals. Maximum thickness depends on material hardness and required punching force. Consult our selection guide for specific material capacities.

What is the typical delivery time?

Standard punching machines are typically ready for shipment within 2-4 weeks. We maintain a large inventory in our China base for popular models like J23 and JH21 series for faster availability.

What warranty does HARSLE provide?

All HARSLE punching machines come with a comprehensive 3-year warranty covering the mechanical drive system, electrical components, clutch/brake, and frame structure. Dies are consumables but we offer replacement die packages at competitive prices.

Does HARSLE provide on-site installation and training?

Yes, we offer professional on-site installation and comprehensive operator training globally. Our technicians will ensure your team is fully capable of operating the machine, changing dies, adjusting clearance, and performing routine maintenance.

Can I customize the punching force and throat depth?

Absolutely. We offer punching machines from 10 tons to 100+ tons with various throat depths. Our J21S deep throat series specifically addresses large workpiece requirements. Custom configurations are available on request.

What safety features are included?

All HARSLE punching machines include safety guards, two-hand operation controls, emergency stop buttons, and anti-tie-down circuits. Optional light curtains and safety mats are available for enhanced operator protection.

How often do punching dies need replacement?

With proper maintenance and correct clearance settings, quality dies can perform 100,000-500,000+ punches before resharpening. Die life depends on material hardness, thickness, and lubrication. We recommend regular inspection every 10,000-20,000 cycles.

Is remote technical support available?

Yes, we provide 24/7 remote technical assistance via video calls, TeamViewer, and our dedicated multilingual support portal to resolve 90% of punching machine operational queries instantly.

Can HARSLE punching machines be integrated with automation?

Yes, our punching machines can be integrated with automatic sheet feeders, coil feeders, stacking systems, and robotic handling for fully automated production. Our STP servo turret punch offers full CNC automation out of the box.

Get Started

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Our engineering team is ready to help you find the perfect punching machine solution

  • Machine SelectionModel, series and options matched to your parts
  • Technical SupportBend feasibility checked on your drawings
  • Detailed QuotationPrice, lead time, shipping and installation
  • 24-Hour ResponseA real engineer replies within one business day

Tip: mention your material, thickness, largest part size and yearly volume for the most accurate quote.