HFZ Series Linear Guide Parallel Pneumatic Gripper

Brand: SOLH by Richge Technology 

Product Overview

     SOLH HFZ series is high-rigidity parallel gripper equipped with integrated roller/ball linear guide, driven by dual piston and rack & pinion synchronous mechanism. Fully interchangeable with SMC MHZ2 series. 

     Three operation variants available:

     -- HFZ: Double acting standard type

     -- HFSZ: Single acting normally closed (spring clamp, power-off holding)

     -- HFTZ: Single acting normally open (spring release, power-off open) Suitable for general light & medium load precision clamping, automated assembly and robot end effector applications.

Core Structure & Operating Principle

  1. Transmission: Dual piston + rack & pinion synchronous drive. Two jaws maintain perfect parallel movement without offset or deflection.

  2. Guide System: Integrated roller / ball linear guide with locating pins on bottom to prevent shifting. Excellent rigidity, high repeat accuracy and strong resistance to offset load.

  3. Operation Modes

     -- HFZ Double Acting: Air supply for open / close, universal continuous production

     -- HFSZ Single Acting NC: Air supply opens jaws; spring clamps when air cut-off (power-off workpiece holding)

     -- HFTZ Single Acting NO: Air supply closes jaws; spring opens when air cut-off (power-off auto release)

  4. Construction: Aluminum alloy body, stainless steel jaws, built-in magnetic ring. Dual-side magnetic switch grooves; multi mounting surfaces: bottom / side / through-hole.

  5. Position Accuracy: ±0.01 mm (bore 6~25); ±0.02 mm (bore 32~40), stable under high-frequency cycling.

Complete Model Coding Rule

  1. Model Example：HFZ20N-M9BW

  2. Standard Order Reference

     HFZ25N-M9BW Bore 25, double acting, through-hole mount, M9B magnetic switch with 1m cable.

Universal Core Technical Specifications

Stroke & Clamping Force Reference Table (0.5MPa, Standard Jaws)

⚠️ Important Note: Effective clamping force decreases as jaw extension length L increases. Load verification with safety factor ≥1.5 is mandatory.

Preferred Application Scenarios

  ✅ Choose HFZ series if:

     -- Need direct replacement for SMC MHZ2; require single acting power-off hold/release function

     -- Light & medium load precision parallel clamping: 3C electronics, precision hardware, injection molding, packaging equipment

     -- High rigidity and offset load resistance required for robot end effector & precision assembly stations

     -- Flexible multi-direction mounting: through-hole / side / bottom installation for compact integrated mechanism

Key Selection Guidelines

   1.Select bore size according to workpiece weight and clamping mode (outer / inner gripping), ensure clamping force ≥1.5 times actual load

   2.Operation mode selection

     -- Power-off continuous clamping → HFSZ normally closed

     -- Power-off auto release → HFTZ normally open

     -- Continuous mass production without safety spring demand → HFZ double acting

  3. Mounting selection: Standard tapped hole(blank) / through-hole(N) / side mount(B) to fit platform or bracket

  4. Position detection: Equip -M9□ magnetic switches, dual-side slots support 2 switches for open & closed signal feedback

  5. Offset load control: Limit jaw extension length L, avoid exceeding allowable bending moment of linear guide

One Sentence Summary

     SOLH HFZ linear guide parallel pneumatic gripper adopts roller/ball guide and rack-pinion synchronous drive, available in double acting HFZ, single acting NC HFSZ and NO HFTZ variants with multi-mount options and ±0.01mm high precision, direct interchangeable with MHZ2, ideal high-rigidity precision clamping solution for robot EOAT, 3C, hardware and general automation assembly.