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China Stainless Steel Press Fit Ball Spring Plunger with Flange Housing-1 Manufacturer, Suppliers

Round Head pin

Stainless Steel pin

Locating Pin

Location Pin

Press Fit pin

Product Description

Product Overview

This product is a spring-loaded positioning column with a stainless steel shell combined with a ball end structure design. The overall structure is compact and suitable for precision assembly scenarios that require repeated positioning, limiting, or light load locking. The product is formed through precision turning, with a smooth outer surface and high dimensional stability, achieving good assembly consistency and long-term reliability.

Core Mechanism & Structure

Its core structure consists of a stainless steel body, internal springs, and high-precision ball bearings. After installation, the ball exerts stable pressure outward under the action of the spring, forming a reliable positioning point on the contact surface.

When external force is applied, the ball can be pressed into the interior of the shell and quickly rebound after release, achieving a smooth and automatic reset effect. This structure can effectively reduce mechanical impact, improve the fitting accuracy between components, and reduce wear.

Installation & Stability

This product adopts a press in installation method, which does not require additional thread processing and can be directly embedded into the preset hole position, simplifying the assembly process and improving production efficiency.

The central flange structure can play a limiting and fixing role, prevent excessive pressure, ensure consistent installation depth, and improve overall structural stability.

Material & Durability

Corrosion Resistance

Stainless steel is suitable for humid or complex environments with excellent strength and wear resistance.

Smooth Operation

The surface of the ball is finely processed to ensure smooth contact and reduce frictional resistance.

High Frequency

Designed for high-frequency operation scenarios maintaining long-term reliability.

Applications & Customization

This type of spring positioning column is widely used in automation equipment, electronic assembly structures, fixtures, mechanical sliding mechanisms, and structures that require rapid positioning or indexing.

The product supports customization on demand, and can adjust elasticity, stroke, outer diameter size, and structural form according to different applications to meet diverse usage needs.

Frequently Asked Questions

What applications are best suited for this positioning column?

It is primarily designed for precision assembly scenarios that require repeated positioning, mechanical limiting, or light load locking, such as automation equipment, electronic assemblies, fixtures, and sliding mechanisms.

How does the spring-loaded ball mechanism operate?

Internal springs apply continuous, stable outward pressure on the precision ball bearing. When subjected to external force, the ball retracts smoothly into the body and rebounds immediately once released.

Does the installation require threaded holes?

No. It utilizes a press-in installation method directly embedded into preset holes without the need for threading, simplifying assembly and improving overall production efficiency.

What is the purpose of the central flange?

The central flange functions as a limiting and fixing element that prevents excessive insertion pressure, guarantees consistent installation depth, and increases structural stability.

Can this positioning column be customized for specific requirements?

Yes, on-demand customization is supported to modify elasticity, stroke length, outer diameter dimensions, and structural profiles according to specific mechanical needs.

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