Hydraulic Linear Guide Clamps | Normally Open & Normally Closed Types

Hydraulic Clamping Element Manufacturer

Our hydraulic linear guideway clamping elements are precision-engineered locking components designed for ball/roller linear guide systems. They provide rigid, repeatable clamping force to secure worktables, suppress vibration, and maintain positioning accuracy in high-speed machining, automation, and precision equipment.

Core Technical Specifications

Material & Surface Treatment
•Body: 42CrMo, sandblasted with electroless nickel plating
•Air Filter: Brass
•Contact Surfaces: Equivalent to SKD11, with electroless nickel plating
•Adjustment Screw: Equivalent to SKD11, with electroless nickel plating

Specifications
•Control Method: Hydraulic
•Operating Pressure Range: 7–12 MPa
•Rated Service Life: 2,000,000 cycles

Common Features
•Designed for use with ball/roller linear guide rails
•Functions: Worktable fixing, precise positioning, and anti-vibration during operation

Configuration & Operation Logic
•Type: Normally Open (NO)
•When hydraulic pressure is applied: Clamping jaws close and lock the rail
•When hydraulic pressure is removed: Clamping jaws open (spring-assisted opening)
2. Ordering Information
•Ordering Code: LKWH + [Guide Rail Size]
•Example: LKWH25 (for 25mm linear ball guide rails)

•Type: Normally Closed (NC)
•When hydraulic pressure is applied: Clamping jaws open and release the rail
•When hydraulic pressure is removed: Clamping jaws close (spring-assisted locking)
2. Ordering Information
•Ordering Code: LLHBS + [Guide Rail Size]
•Example: LLHBS25 (for 25mm linear ball guide rails)

Note: Please specify the linear rail manufacturer and complete model number when ordering, as the clamping jaw geometry varies by rail brand and model.We also provide custom manufacturing services, with all dimensions and technical parameters fully configurable according to your specifications. The standard production lead time for custom orders is approximately 18 working days.

Key Features

High-Rigidity Clamping: Eliminates play and dampens vibration to improve machining precision and surface finish.
Durable Construction: Hardened SKD11-equivalent contact surfaces with nickel plating for wear resistance and corrosion protection.
Two Control Configurations: Choose between Normally Open (standard) or Normally Closed (safety-oriented) to match your machine design.
Rail-Specific Geometry: Custom clamping jaws tailored to your guide rail brand and model for perfect fit and optimal holding force.
Compact, Drop-In Installation: Designed to integrate directly with standard linear guide assemblies without major modifications.

Applications
•CNC Machining Centers & Gantry Systems
•Vertical & Horizontal Machine Axes
•Automated Assembly & Linear Motion Modules
•Precision Inspection & Testing Equipment
•Woodworking, Metalworking, and Laser Machinery
•Safety-critical axes requiring power-off holding (Normally Closed type)

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Below are the linear guide clamps manufactured by LMT. You can also contact our sales team directly. Please provide your linear guide model number, and our engineers will assist you with product selection.

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