INDUSTRY COMPONENT

Locking Pin/Catch

A precision-engineered locking pin or catch component designed for secure retention and release in industrial machinery mechanisms.

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Component Specifications

Definition
A mechanical component used in locking/retention mechanisms to securely hold moving parts in position, prevent unintended movement, and allow controlled release through manual or automated actuation. It typically consists of a pin, plunger, or latch that engages with a corresponding receptacle or notch, providing positive locking with audible or tactile feedback.
Working Principle
Operates through mechanical interference or spring-loaded engagement. When engaged, the pin/catch physically blocks movement by interfacing with a mating surface. Disengagement is achieved through axial force (pull/push), rotational action, or electromagnetic release, overcoming spring resistance or friction. Common designs include ball plungers, detent pins, and rotary latches.
Materials
High-strength alloy steel (e.g., AISI 4140, 4340), stainless steel (304/316), or hardened tool steel; corrosion-resistant coatings (zinc plating, black oxide, nickel); optional polymer tips for noise reduction.
Technical Parameters
  • Length 10mm to 150mm
  • Diameter 3mm to 25mm
  • Cycle Life >100,000 cycles
  • Spring Force 5N to 200N
  • Load Capacity 50N to 5000N
  • Operating Temperature -40°C to 120°C
Standards
ISO 8734, DIN 1481, ISO 2768-m

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Locking Pin/Catch.

locking pin industrial catch retention mechanism machine safety detent pin ball plunger mechanical fastener equipment locking Locking Pin/Catch Locking Pin/Catch in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Locking/Retention Mechanism

A mechanical or electromechanical component within signal connectors that secures mating connectors together and prevents accidental disconnection.

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Engineering Analysis

Risks & Mitigation
  • Shear failure under overload
  • Corrosion in humid environments
  • Fatigue from cyclic loading
  • Inadvertent disengagement due to vibration
FMEA Triads
Trigger: Material fatigue from repeated cycling
Failure: Pin fracture or permanent deformation
Mitigation: Use fatigue-resistant alloys, implement regular inspection schedules, and design with safety factors >2
Trigger: Contamination (dirt, debris) in mechanism
Failure: Incomplete engagement or jamming
Mitigation: Add protective covers, specify IP-rated enclosures, and implement preventive maintenance cleaning

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.01mm on critical diameters, H7/g6 fit for precision applications
Test Method
Cyclic endurance testing per ISO 898-1, salt spray testing per ASTM B117, load testing with calibrated force gauges

Buyer Feedback

★★★★☆ 4.8 / 5.0 (17 reviews)

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Locking Pin/Catch arrived with full certification."

"Great transparency on the Locking Pin/Catch components. Essential for our Machinery and Equipment Manufacturing supply chain."

"The Locking Pin/Catch we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

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Frequently Asked Questions

What is the difference between a locking pin and a catch?

A locking pin typically refers to a cylindrical component that inserts into a hole, while a catch often involves a hook or latch mechanism. Both serve retention purposes but differ in engagement geometry.

How do I select the right spring force for a locking pin?

Consider the vibration environment, required retention force, and operator ergonomics. Higher spring forces improve security but increase actuation effort.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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