INDUSTRY COMPONENT

Fixed Jaw

Stationary jaw component in clamping systems that provides secure workpiece positioning during machining operations.

Component Specifications

Definition
A fixed jaw is the stationary component in a vise or clamping system that remains immobile during operation, providing a stable reference surface against which workpieces are secured. It typically features precision-ground surfaces and mounting interfaces to ensure accurate alignment and repeatable positioning in industrial applications.
Working Principle
The fixed jaw operates by providing a rigid, stationary reference surface against which the movable jaw applies clamping force. It remains anchored to the machine base or vise body, creating a stable datum for workpiece positioning while resisting deformation under clamping loads through its structural design and material properties.
Materials
Typically manufactured from hardened tool steel (AISI D2, A2), alloy steel (4140, 4340), or carbide-tipped variants for wear resistance. Surface hardness ranges from 58-62 HRC for standard applications, with specialized coatings (TiN, TiCN) applied for enhanced durability in high-volume production.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Width Range50-300 mm
Height Range25-150 mm
Mounting TypeT-slot, bolt-on, or integrated
Surface Flatness0.01-0.05 mm
Parallelism To Base0.02 mm maximum
Clamping Force Capacity500-5000 N

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

Standards
ISO 10889, DIN 6343

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Workpiece slippage due to insufficient surface texture
  • Premature wear from abrasive materials
  • Alignment errors from mounting surface contamination
FMEA Triads
Trigger: Insufficient surface hardness
Failure: Rapid wear and loss of dimensional accuracy
Mitigation: Specify hardened materials (58+ HRC) and apply wear-resistant coatings
Trigger: Improper mounting surface preparation
Failure: Misalignment and reduced clamping accuracy
Mitigation: Implement cleaning procedures and torque-controlled fastening

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.01 mm for critical dimensions, surface flatness within 0.02 mm
Test Method
Coordinate measuring machine (CMM) verification, surface plate inspection, hardness testing per ASTM E18

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
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Fixed Jaw

Manufacturer profiles associated with Fixed Jaw.

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Frequently Asked Questions

What is the difference between fixed and movable jaws in a vise system?

The fixed jaw remains stationary and provides the reference surface, while the movable jaw applies clamping force. This design ensures consistent workpiece positioning and prevents shifting during machining operations.

Can fixed jaws be replaced or upgraded?

Yes, most fixed jaws are designed as replaceable components. Upgrades to harder materials or specialized coatings can extend service life in demanding applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

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