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Overview:
A screw-clamping external turning tool holder is a precision cutting tool used in lathe operations for machining external cylindrical surfaces. It employs a screw mechanism to securely fasten indexable carbide inserts, making it widely utilized in various turning applications.
Key Features:
Screw-Clamping System: Provides rigid insert retention through axial screw fixation
External Turning Design: Specifically configured for machining outer diameters and facing operations
Indexable Inserts: Compatible with standardized carbide inserts (e.g., DNMG, VNMG, TNMG series)
Right-Hand Configuration: Typically designed for right-hand turning operations (moving left to right)
Technical Specifications:
Material: High-grade alloy steel
Hardness: Surface hardness ≥58 HRC
Clamping Type: Top-clamp screw fixation system
Application: Suitable for steel, stainless steel, cast iron, and non-ferrous materials
Common Standards:
ISO 5608: Turning tool holders - designation
ANSI B212.4: Specification for cutting tools
Applications:
General external turning operations
Roughing and finishing cuts
Continuous and interrupted cutting
CNC and conventional lathe applications
Advantages:
Rigid Clamping: Ensures stable insert positioning
Easy Maintenance: Simple insert replacement procedure
Wide Compatibility: Accommodates multiple insert geometries
Cost-Effective: Reduced tooling costs through indexable inserts
This type of tool holder represents standard equipment in modern machining workshops, offering reliability and precision for external turning requirements.
