Machined aluminium split tube clamp with a slotted body and side fixing holes.

Aluminium Clamping Components

Aluminium Tube Clamp Split Type

Name: Aluminium Tube Clamp Split Type
Brand: Yiwu Hongpin Mechanical Equipment Company

A slotted clamp block that closes around a captive tube and grips it without needing access from above.

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Made to your drawing. Every dimension below that depends on your print is marked To drawing rather than given a number that would only be a guess.

Overview

What This Part Does

The split clamp is milled from solid with a bore through the body and a slot cut from the bore out to one face. Tightening the side fasteners closes the slot and the bore shrinks onto the tube. It grips a tube that is already trapped in an assembly, which is exactly the case a saddle clamp cannot handle, and it releases cleanly when the fasteners are backed off because the aluminium springs open again.

Key Benefits

Why It Is Made This Way

Grips a captive tubeNo need to lift the tube out or slide it through; the clamp closes around it in place.
Even grip around the boreClosing the slot brings the whole bore down onto the tube rather than pressing on one face.
Repeatable releaseThe body springs back when released, so the clamp can be repositioned many times.
Cut to your tube sizeBore diameter and slot width are machined to your print.

Problems It Solves

What Goes Wrong Without It

The tube cannot be lifted outA saddle clamp needs vertical access. A split clamp does not.
Adjustable stops driftA clamp with too little grip area creeps under vibration and the setting is lost.
Repeated clamping wears the boreA bore cut to the right diameter with the right slot width closes evenly and does not gall the tube.

Application Scenarios

Where It Is Used

Clamping a shaft or tube that cannot be removed from the assembly
Setting an adjustable stop along a guide rail
Holding a tubular arm at an angle that has to be reset between batches
Locking a linear shaft on a production fixture

Who It Is For

Who Specifies It

Fixture and machine designers who need a clamp that can be fitted and released in situ, cut to a tube diameter that a catalogue clamp does not offer.

Related Capability

Production Fixtures

Technical Features

How It Is Made

ProcessCNC milling from solid aluminium billet, slot cut on the same setup as the bore
GeometryThrough bore, relief slot to one face, side fixing holes
MaterialAluminium alloy as shown; stainless steel to the same print
FinishAs-machined; anodising on request

Specifications

Specification Table

Bore diameter	To drawing, matched to your tube outside diameter
Slot width	To drawing
Body dimensions	To drawing
Fixing holes	Size, count and pitch to drawing
Tolerance	Confirmed per project against your print
Material	Aluminium alloy or stainless steel
Minimum order	Confirmed per project

Values marked to drawing or confirmed per project are set against your print at quotation. No certification, capacity or tolerance figures are published because none were published by the business.

Comparison

How It Compares

Against the saddle type it costs more to machine but works where the tube is captive and gives a more even grip. Against a set screw pressing directly on the tube it does not dent the tube and can be released and reset repeatedly.

Use Guide

Slide the clamp to position with the fasteners loose; it should move without force.
Square the clamp to the tube before tightening.
Tighten the fasteners evenly so the slot closes parallel rather than wedging.
Back the fasteners off a full turn before repositioning so the bore releases.

Questions

Questions About The Aluminium Tube Clamp Split Type

How much smaller than the tube should the bore be?

It should not be smaller. The bore is cut to the tube diameter and the grip comes from closing the slot. Send the tube tolerance with the print and the bore will be set against it.

Will it mark an anodised tube?

Full-bore contact spreads the load, which is gentler than a point clamp, but a hard aluminium clamp on a soft anodised tube can still witness. Specify a liner on the drawing if the finish is critical.

Can the slot be cut on a different face?

Yes. Slot orientation is a drawing decision and is usually driven by where your fasteners can be reached.

Is stainless available for a washdown line?

Yes, the same geometry can be run in stainless steel. Note that stainless springs back less than aluminium, so the slot width may need reviewing.

Often Quoted Alongside

Machined aluminium saddle tube clamp with a curved seat and four counterbored fixing holes

Aluminium Clamping Components

Aluminium Tube Clamp Saddle Type

A curved saddle block that clamps a round tube down onto a flat surface with four fasteners.

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Aluminium Clamping Components

Aluminium Tube Connector

A flanged spigot that plugs into a tube end and gives the assembly a shoulder to register against.

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Precision Turned Parts

Aluminium Connect Ring

A turned ring that joins two tube or housing sections and holds them concentric while the assembly is fastened.

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Quote The Aluminium Tube Clamp Split Type

Send the drawing with tolerances, the material and the quantity. Say what the part fits against and any tolerance that is doing no work will be flagged before it is priced.

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