
Product Overview
The JTBY-120PZ-235 laser tube cutting chuck is designed to hold tubular workpieces in laser tube cutting machines. With standard jaws, it accommodates round tubes from 8 to 120 mm in diameter. Square tubes and selected steel profiles require jaw configurations matched to their dimensions and geometry.
Chuck selection depends on the workpiece size and weight, mounting interface, and front-and-rear chuck arrangement. Custom auxiliary jaws are available for workpieces beyond the standard jaw limits, subject to an assessment of the profile and machine requirements.
Key Features and Benefits

Round Tube Clamping with Standard Jaws
This laser tube cutting chuck accommodates round tubes from 8 to 120 mm in diameter with standard jaws, giving buyers a defined clamping range to compare against their production requirements.

Jaw Options for Different Tube Profiles
The specification covers round and square tubes, along with selected steel profiles. Matching the jaw configuration to the workpiece geometry helps buyers select a suitable setup for their tube cutting applications. Profile dimensions and jaw contact must be checked before ordering.

Custom Auxiliary Jaws for Special Workpieces
Custom auxiliary jaws can be added for workpieces beyond the standard jaw limits, subject to an application review. This provides an adaptation option for special profiles rather than restricting selection to the standard jaw configuration.

Defined Load Capacity for Two-Chuck Setups
The specified maximum load capacity is 80 kg for the two-chuck combination. This provides a reference for workpiece selection and machine integration; the rating applies to the combination, rather than to each chuck individually.
Technical Specifications
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| Model | JTBY-120PZ-235 |
| Round Tube Diameter Range | Ø8–Ø120 mm with standard jaws |
| Square Tube Size | 120 × 120 |
| Steel Profile Capacity | I-beam / channel steel: ≤ No. 8; angle steel: ≤75 mm |
| Profile Envelope Restriction | Source notation: "Circumscribed circle < □120×120" |
| Jaw Configuration and Restrictions | Standard jaws; special profiles must not exceed the usable jaw length. Custom auxiliary jaws can be added for workpieces beyond standard jaw limits, subject to application review. |
| Maximum Combined Load Capacity | 80 kg for two chucks |
| Front / Rear Parameters | Front: 235; rear: 125 - parameter name and unit require confirmation |
| Front / Rear Flange Specifications | Front: 90; rear: 90 - interface definition and unit require confirmation |
| Front / Rear Ratios | Front: 1:4; rear: 1:3 - ratio definition requires confirmation |
Compatible Tube Profiles and Jaw Options
The JTBY-120PZ-235 laser tube cutting chuck supports round tubes, square tubes and selected steel profiles. Jaw selection should match the workpiece dimensions and cross-sectional geometry.
Round and Square Tubes
Standard jaws accommodate round tubes from 8 to 120 mm in diameter. For square tubes, confirm the clamping dimensions and jaw contact positions before selecting a configuration.
I-Beams, Channels and Angle Steel
The product specification also lists I-beams, channel steel and angle steel. Compatibility depends on the section dimensions, clamping orientation and usable jaw length. Provide a cross-sectional drawing to confirm suitability for these profiles.
Standard and Custom Auxiliary Jaws
The listed clamping specifications apply to standard jaws. Special profiles must remain within the usable jaw length. Custom auxiliary jaws can be added for workpieces beyond standard jaw limits, subject to a review of the profile and machine clearance.
For jaw selection, provide the tube or profile drawing, dimensions, wall thickness and workpiece weight.
Installation and Machine Compatibility
Before integrating the JTBY-120PZ-235 laser tube cutting chuck, verify the mounting dimensions, drive interface and available clearance against your machine drawings. Compatibility must be assessed for the specific machine configuration.
Mounting Dimensions and Interface Requirements
Check the mounting flange, bolt pattern, locating features and connection dimensions against a confirmed installation drawing. Allow sufficient clearance for jaw movement, tube feeding and the intended workpiece profiles.
Front and Rear Chuck Configuration
Verify the front and rear chuck positions, alignment requirements and drive connections as part of the complete assembly. The specified maximum load capacity of 80 kg applies to the two-chuck combination; operating conditions and workpiece support must also be assessed.
Information Required for Compatibility Review
When requesting a quotation, please provide:
Machine manufacturer, model and intended chuck position.
Existing chuck drawings or mounting interface dimensions.
Photos of the installation area and drive connection.
Tube or profile dimensions, wall thickness, length and weight.
Available installation space and tube support arrangement.
Required operating speed and residual-length requirements.
These details help establish the mounting requirements, suitable jaw configuration and any adaptations needed before ordering.

Quality Inspection and Application Cases
Quality evaluation of the JTBY-120PZ-235 laser tube cutting chuck should consider component specifications, installation requirements and the intended machine configuration.

Inspection Items and Test Conditions
Relevant inspection items include mounting dimensions, jaw movement, clamping function and rotational accuracy. Any reported results should identify the inspection method, measurement equipment, operating conditions and acceptance criteria. Component-level measurements should be distinguished from complete-machine cutting results.

Installation Drawings and Step-by-Step Instructions
Installation drawings and step-by-step instructions are provided to support machine integration. Use these documents to check mounting dimensions, connection interfaces and positioning requirements against your equipment before assembly.

Application Assessment and Supporting Documents
For application-specific evaluation, provide the tube profile, workpiece dimensions, machine model and intended front-and-rear chuck arrangement. Review the supplied installation drawings and instructions alongside these requirements to identify any configuration details or adaptations that need confirmation before ordering.
Ordering and After-Sales Support
To request a quotation for the JTBY-120PZ-235 laser tube cutting chuck, please provide your machine model, mounting interface details and workpiece specifications. Include the tube profile, dimensions, wall thickness, length and weight to support configuration review.
Order Configuration and Supply Scope
Confirm whether your order requires an individual chuck or a front-and-rear chuck combination. The quotation should specify the selected jaws, included accessories, any customization requirements and the agreed delivery schedule.
Installation Documentation
Installation drawings and step-by-step instructions are provided to support assembly. Check these documents against your machine configuration and clarify any interface or positioning questions before installation.
After-Sales Enquiries
For installation or operating enquiries, provide the product model, order reference, a description of the issue and relevant photos. These details help identify the configuration and support troubleshooting.
Warranty and Service Terms
Confirm warranty coverage, service procedures and replacement-part arrangements before placing an order. Applicable terms should be documented in the quotation or sales agreement.
Everything You Need to Know
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What tube sizes can the JTBY-120PZ-235 laser tube cutting chuck accommodate?
With standard jaws, the specified round tube diameter range is 8–120 mm. Square tubes and selected steel profiles require confirmation of the workpiece dimensions, jaw configuration and clamping orientation before ordering.
Can custom jaws be supplied for special profiles?
Custom auxiliary jaws can be added for workpieces beyond the standard jaw limits, subject to an application review. Please provide a profile drawing, dimensions, wall thickness and workpiece weight so that suitability can be assessed.
Will this chuck fit my existing laser tube cutting machine?
Compatibility depends on the mounting interface, drive connection, installation clearance and front-and-rear chuck arrangement. Provide your machine model, interface drawings and installation-area photos for review before purchasing.
Are installation drawings and instructions included?
Yes. Installation drawings and step-by-step instructions are provided to support assembly. Check the supplied documents against your machine configuration and clarify any mounting or positioning questions before installation.
Need a laser tube cutting chuck for your machine? Send us your machine model, mounting details and tube specifications to request a quotation for the JTBY-120PZ-235 and confirm the right configuration.
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