Stripping Blade Assembly for Wire Processing | Specifications & Verification

Product Specifications

Technical details and manufacturing context for Stripping Blade Assembly

Definition

The Stripping Blade Assembly is a critical component within an Automated Wire Stripping and Termination Machine. It consists of precisely aligned, adjustable blades that work in concert to cleanly cut and remove the insulation from electrical wires of various gauges. Its primary role is to prepare wire ends for subsequent termination processes, such as crimping or soldering, by exposing the conductive core with minimal nicking or deformation. The assembly is designed for use in electrical equipment manufacturing, where consistent and reliable wire processing is essential. The blades are typically made from tool steel or carbide, with the specific material grade (e.g., SK5 high carbon steel) and hardness (50–55 HRC) influencing wear resistance and cutting performance. The blade thickness ranges from 0.5 to 0.8 mm, and the assembly can handle wire cutting diameters from 0.5 to 6.0 mm. Stripping length accuracy is maintained within ±0.1 mm, ensuring precise insulation removal. The assembly operates within a temperature range of -20°C to 80°C and can withstand a maximum operating pressure of 1.6 MPa. It has an ingress protection rating of IP54, offering protection against dust and water splashes. The weight of the assembly is between 0.15 and 0.25 kg, making it suitable for integration into automated machinery. For specific applications, it is essential to verify that the assembly's parameters match the requirements of the wire type and the machine's specifications. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement.

Working Principle

The assembly operates by positioning the wire between two or more opposing blades. The blades are then actuated (often pneumatically or via a servo motor) to close with a controlled force and depth. A precise cutting motion severs the insulation, which is then pulled away as the wire is retracted or the blades open. Adjustments allow for setting the cut depth to match specific insulation thicknesses and wire diameters. The blade geometry and alignment are critical to ensure a clean cut without damaging the conductor. The cutting action is typically synchronized with the wire feed mechanism to achieve consistent strip lengths. The assembly may include features for quick blade replacement and adjustment to accommodate different wire sizes. Proper maintenance, including regular inspection for blade wear and alignment, is necessary to maintain performance. If the assembly is subjected to conditions beyond its specified operating limits (e.g., temperature, pressure, or cutting diameter), it may fail to strip correctly or cause damage to the wire or the machine.

Common Materials

Tool Steel, Carbide

Technical Parameters

Parameter	Typical range	Notes & selection driver
Blade Material	SK5	High carbon steel for wear resistanceJIS G4401
Blade Hardness	50–55 HRC	Balances sharpness and toughnessISO 6508
Blade Thickness	0.5–0.8 mm	Affects cutting precision
Cutting Diameter Range	0.5–6.0 mm	For wire insulation stripping
Stripping Length Accuracy	±0.1 mm	Ensures consistent strip length
Max Operating Temperature	80 °C	Above this, blade material may soften
Min Operating Temperature	-20 °C	Below this, blade may become brittle
Max Operating Pressure	1.6 MPa	Exceeding may damage assembly
Ingress Protection Rating	IP54	Protection against dust and water splashesIEC 60529
Weight	0.15–0.25 kg	Lightweight for handheld tools

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Upper Blade Holder
Secures and positions the upper cutting blade(s). Often includes adjustment mechanisms for depth and alignment.

Material: Hardened Steel
Lower Blade Holder Part
Secures and positions the lower cutting blade(s), opposing the upper blades to create the cutting action.

Material: Hardened Steel
Cutting Blades Part
The sharp, replaceable edges that perform the actual cutting of the wire insulation. Typically V-shaped or semi-circular to cradle the wire.

Material: Carbide or Tool Steel
Adjustment Screws Part
Allow for fine-tuning of blade gap (for wire diameter) and cutting depth (for insulation thickness).

Material: Stainless Steel
Blade Actuation
Closes the blades to the set depth and opens them again each cycle.

Application & selection

Application Fit & Sizing Matrix

Operational Limits

pressure:	0-5 bar
other spec:	Wire diameter range: 0.5-10 mm
temperature:	-20°C to 80°C

Media Compatibility

✓ PVC insulation ✓ Polyethylene insulation ✓ Rubber insulation

Unsuitable: Abrasive or metallic-coated wires

Sizing Data Required

Wire diameter
Insulation thickness
Production speed

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

Edge Dulling and Deformation

Cause: High-frequency impact with abrasive materials causing work hardening and plastic deformation, compounded by improper blade material selection for the specific stripping application.

Fatigue Cracking at Mounting Points

Cause: Cyclic loading from repetitive stripping operations leading to stress concentration at bolt holes or attachment interfaces, often accelerated by inadequate torque specifications or worn mounting hardware.

Maintenance Indicators

Audible high-pitched squealing or grinding during operation indicating blade-edge deterioration or misalignment
Visible uneven wear patterns or localized discoloration (blueing) on blade surfaces signaling overheating and loss of temper

Engineering Tips

Implement rotational indexing of multi-blade assemblies to distribute wear evenly across all cutting edges, combined with laser alignment verification during installation
Establish predictive maintenance through vibration analysis and thermal imaging to detect early-stage imbalances or friction anomalies before catastrophic failure

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards

ANSI B94.50-1975 - Industrial Cutting Tools DIN 8589-3 - Machining Processes - Part 3: Cutting

Quoted from the published standard.

Manufacturing Precision

Blade Thickness: +/-0.01mm
Mounting Hole Alignment: 0.05mm concentricity

Quality Inspection

Hardness Testing (Rockwell C scale)
Dimensional Verification with CMM

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Stripping Blade Assembly

Manufacturer profiles associated with Stripping Blade Assembly.

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Frequently Asked Questions

What materials are the blades made of?

The blades are typically made from tool steel or carbide. The specific material grade on file is SK5 high carbon steel, which provides wear resistance. The hardness is specified as 50–55 HRC, balancing sharpness and toughness.

What is the cutting diameter range?

The assembly is designed to strip insulation from wires with cutting diameters ranging from 0.5 mm to 6.0 mm. This range covers various wire gauges commonly used in electrical equipment manufacturing.

What is the stripping length accuracy?

The stripping length accuracy is ±0.1 mm, ensuring consistent and precise insulation removal. This accuracy is critical for subsequent termination processes like crimping or soldering.

What are the operating temperature limits?

The assembly can operate in temperatures from -20°C to 80°C. Exceeding these limits may affect blade material properties, such as softening at high temperatures or becoming brittle at low temperatures.

Related equipment

Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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