Formula details
Product Details
Overview
Precision Manufacturing Standards for Bystronic Press Brake Punch Type R 86
Premium Alloy Tool Steel Selection
We build our tooling from certified, high-grade forged alloy steels chosen specifically for high load resistance and fatigue strength:
42CrMo (SCM440): Standard choice offering superior core toughness and high dynamic load capacity.
C45 / 1045 Carbon Steel: Cost-effective base for general-duty air bending applications.
Cr12MoV (D2 equivalent): Premium high-carbon, high-chromium tool steel for exceptional wear resistance in heavy-duty cycles.
CNC Deep Induction Hardening
To prevent deformation under maximum tonnage, each precision bystronic press brake punch type r 86 undergoes localized CNC induction hardening:
Target Hardness: 56–60 HRC applied directly to the bending tip radius and working load shoulders.
Effective Hardening Depth: 3 mm to 5 mm case depth to prevent chipping while preserving a shock-absorbing ductile core.
Strict Tolerances and Surface Finishing
Our manufacturing process eliminates sectional mismatch and uneven contact wear:
Precision Grinding Tolerance: Machined to within ±0.01 mm, allowing seamless side-by-side sectional alignment without shimming.
Micro-Finished Surfaces: Working contact faces feature low-friction micro-grinding to reduce sheet galling and tooling friction.
Surface Protection: Anti-wear and anti-corrosion chemical treatments ensure long-term durability in challenging industrial environments.
Technical Specifications of Precision Bystronic Press Brake Punch Type R 86
To properly match your upper tooling tonnage with the lower tooling layout, check our press brake v die chart and tonnage guide before setting up high-tonnage jobs.
Key Dimensions & Load Ratings
| Parameter | Standard Specifications | Custom & Extended Options |
|---|---|---|
| Tip Angle | 86° Acute | 86° with modified lead-ins |
| Tip Radii (R) | R0.6 mm, R1.0 mm, R1.5 mm | R2.0 mm, R3.0 mm (or custom profile) |
| Working Height | 120 mm, 175 mm | 200 mm, 225 mm (Deep reach) |
| Max Load Capacity | Up to 1000 kN/m (100 T/m) | Up to 1600 kN/m depending on height |
| Standard Lengths | 500 mm, 1000 mm solid bars | Custom section lengths |
| Segmented Sets | Sectional kit (includes Left/Right horns) | Bespoke stage-bending segment kits |
Geometry and Tool Length Configurations
We manufacture every bystronic press brake punch type r 86 to tight geometric standards, ensuring full interchangeability along the upper beam:
- 86° Tip Profile: Built specifically for air bending mild steel and stainless steel, giving you 4° of springback compensation for exact right-angle bends.
- Tip Radius Flexibility: Standard nose profiles start at R0.6 mm for sharp forming up to R3.0 mm for heavy-gauge plate, while custom bystronic press brake punch type r 86 configurations are precision ground to match specific bend deductions.
- Solid Bars vs. Segmented Kits: Choose solid 500 mm or 1000 mm bars for uninterrupted long-length bending, or fully cut segmented sets featuring ear/horn cutouts on both ends for box and pan fabrication.
- Height Options: Standard 120 mm tools handle standard channel forming, while 175 mm and 200 mm extended reach tools clear high vertical return flanges without secondary setups.
Custom Bystronic Press Brake Punch Type R 86 Engineering Options
Tailored Tool Geometry and Profiles
When off-the-shelf tooling interferes with your bend sequence, we modify the body profile while maintaining critical load alignments:
- Deep Gooseneck Reliefs & Heel Clearances: Extended throat depths prevent pre-bent return flanges from colliding with the punch body during channel or 4-sided pan bending.
- Modified Horns and Ear Cutouts: Left and right end cutouts allow return flanges to clear the sides of the tool during box forming.
- Custom Tip Radii and Angles: Tailor tip radii from R0.2 mm up to R12.0 mm, or pair custom profiles with our acute press brake punches to control springback on heavy spring-loaded alloys.
| Custom Modification | Purpose / Benefit | Typical Application |
|---|---|---|
| Extended Throat Depth | Eliminates interference on deep channel bends | Electrical cabinets, structural channels |
| Heavy-Duty Shank Reinforcement | Prevents shank deflection under high tonnage | Stainless steel, Hardox, high-yield plate |
| Custom Tip Radii (R0.2–R12 mm) | Prevents material cracking or inside radius thinning | Aluminum framing, cosmetic sheet parts |
| Bespoke Segment Lengths | Matches specific part widths for rapid tool setups | Switchgear panels, chassis manufacturing |
Specialized Segmentations and Heavy-Duty Shanks
For automated tool changers or quick manual setups, we supply bespoke sectional configurations cut to your target part dimensions. When forming high-tensile steel or heavy-gauge stainless, we beef up the load-bearing shanks and shoulders. This delivers the exact rigidity needed for high-load cycles without compromising the precision fit of your bystronic press brake punch type r 86 tooling system.
Clamping Interface and Press Brake Compatibility
Bystronic-Beyeler Type R Clamping Fit
Our upper punches fit standard Type R clamping systems seamlessly, providing secure seating across both hydraulic and mechanical upper tool holders:
Direct Clamp Engagement: Fully compatible with OEM Bystronic-Beyeler mechanical and hydraulic tool clamping systems.
Vertical Loading Mechanism: Integrated with hardened safety clicks and quick-release spring pins, enabling front-loading vertical tool changes directly from the front of the beam without sliding tools in from the side.
Self-Seating Tang Alignment: Precision-ground tang geometry pulls the tool up squarely against the reference surface upon clamp activation for exact horizontal and vertical alignment.
Broad Machine Model Compatibility
Whether you run standard production or require a custom bystronic press brake punch type r 86, our tooling interfaces directly with multiple machine generations and retrofitted tool holders:
| Feature / System | Machine & Clamp Compatibility |
|---|---|
| Standard CNC Press Brakes | Bystronic Xpert, Xact, Xpress, and B-Smart series |
| Legacy & Beyeler Machines | Beyeler PR, Beyeler Euro-R, and Bystronic standard hydraulic beams |
| Retrofit Systems | Aftermarket Type R upper clamping bars and adapter systems |
| Tool Loading Mode | Vertical front-load with safety pins or standard horizontal sliding |
By maintaining exact OEM tang specifications across our entire line of bystronic tooling solutions, we ensure that your precision bystronic press brake punch type r 86 segments lock tight, seat true, and handle high tonnage forming cycles with zero slippage or tilt.
Bending Applications and Material Compatibility
Our precision bystronic press brake punch type r 86 handles demanding daily forming cycles across various fabrication setups. Designed primarily to manage material springback during precision air bending, the 86-degree profile provides the exact angular clearance needed to achieve clean 90-degree finished bends across diverse sheet thicknesses.
Optimized Sheet Metal Forming Modes
- Precision Air Bending: The acute 86° profile compensates for material springback in high-yield metals without over-stressing the punch tip.
- Bottom Bending: Delivers stable, repeatable angle accuracy when tighter radius control is required on thin-gauge parts.
- Acute Pre-Bending: Prepares sharp initial angles for multi-stage processes before flattening, working alongside dedicated hemming punches for precise sheet metal forming.
Material Suitability
We engineer standard and custom bystronic press brake punch type r 86 tools to process a broad range of sheet metals without edge galling or premature tip deformation:
Mild Steel & Cold-Rolled Sheet: Clean, consistent angular accuracy across long production runs.
Stainless Steel (304 / 316): Resists high tonnage friction and prevents work-hardening cracking.
Aluminum Alloys: Prevents surface marking on cosmetic panels and soft sheets.
High-Strength & Wear-Resistant Plates: Handles high tonnages when forming high-tensile structural grades.
Key Industrial Applications
- Electrical Enclosures & Cabinets: Forming tight-tolerance box corners, door edges, and mounting pans.
- HVAC Components: Rapid bending of duct sections, drip trays, and structural frame profiles.
- Automotive & Transportation: Fabricating chassis channels, heavy-duty brackets, and body support panels.
- Industrial Machinery: Bending heavy side frames, protective guards, and structural base assemblies.
Quality Control and Tooling Verification Protocol
100% Optical Profile and Laser Dimension Inspection
Every precision bystronic press brake punch type r 86 undergoes complete non-contact optical profile projection and multi-axis laser dimension verification:
Tip Radius Consistency: Laser scanned along the entire working length to guarantee continuous, uniform contact without micro-deviations.
Angle Precision: The 86-degree profile is optically verified across the entire tool to ensure repeatable air bending and predictable springback compensation.
Shoulder and Tang Accuracy: Critical load-bearing shoulders and R-clamp seating tangs are checked for parallelism within ±0.01 mm tolerances.
Seamless Interchangeability Guarantee
We manufacture our upper tooling so you never have to waste setup hours on shims or beam realignments.
Drop-In Alignment: Replace worn segments or combine new sections with existing tooling seamlessly.
Zero Beam Re-Shimming: Exact centerlines and working heights ensure uniform tonnage distribution across multi-segment setups.
Custom Tool Matching: Every custom bystronic press brake punch type r 86 is serialized and recorded to guarantee direct replacements match your exact program parameters.
Metallurgical and Core Hardness Testing
Tool longevity depends on what is beneath the surface. Our metallurgical lab validates the structural integrity of every batch:
Deep Case Hardness Depth: Verified induction depth (56–60 HRC) on the punch tip and contact radii for maximum wear resistance under heavy tonnage.
Core Toughness Analysis: Ultrasonic and non-destructive testing confirm a tough, shock-absorbing 42CrMo core that prevents tool fractures under peak loads.
Surface Integrity: Micro-finished contact zones are tested for friction resistance and anti-corrosion protection. Pair these standards with practical press brake die maintenance tips for longer tool life to keep your bending operations running at peak precision.
Frequently Asked Questions About Bystronic Type R 86 Punches
Why use an 86-degree punch angle instead of 90 degrees for sheet metal bending?
Air bending sheet metal always results in material springback, typically ranging between 1° and 4° depending on yield strength and sheet thickness. An 86° acute angle provides the necessary overbending clearance to hit true 90° bends consistently without bottoming out the tooling or overloading the machine frame.
How do I choose between solid length and segmented Bystronic Type R punches?
Selection depends on your run volumes and workpiece geometry:
Solid Lengths (500 mm / 1000 mm): Best for continuous, long-length sheet bending where full-length rigidity and minimal setup adjustments are critical.
Segmented Sets (with left/right horns): Essential for bending four-sided boxes, deep pans, and parts with pre-bent return flanges.
For varied workshop workloads, pairing segmented sets with our standard line of press brake punches provides the best operational balance.
Can custom Bystronic Type R 86 punches be manufactured from customer CAD drawings?
Yes. We manufacture custom bystronic press brake punch type r 86 tooling based directly on your DXF, DWG, or STEP files. We can modify tip radii, adjust working heights, add deep heel reliefs, or build specialized gooseneck punches to clear obstructive return flanges.
What is the maximum load capacity for precision Type R 86 upper punches?
Load ratings for our precision bystronic press brake punch type r 86 tools vary by working height and tip geometry:
| Punch Working Height | Standard Tip Radius | Max Tonnage Rating |
|---|---|---|
| 120 mm | R0.6 mm – R1.0 mm | Up to 100 t/m |
| 175 mm | R1.0 mm – R3.0 mm | Up to 130 t/m |
| 200 mm (Extended) | R1.5 mm – R3.0 mm | Up to 100 t/m |
Each tool segment has its maximum tonnage rating permanently laser-etched on the body for quick verification during setup.
How does the R-clamping safety click system work during vertical tool changes?
Our bystronic press brake punch type r 86 tools utilize spring-loaded mechanical safety clicks (or pins) in the tang. When you push the punch up vertically into the upper beam holder, the pin retracts and snaps into the clamping groove. This holds the tool securely against gravity, allowing you to reposition segments safely by hand before engaging final hydraulic or mechanical clamping.
