GT Three-Chuck
Review the grip-transfer and support route for tubular components.
Explore GTH-Beam Laser Cutting Machine
STR G-H · Define the section, the accessible features and the supported workpiece.
Start with the H-section and the connection drawing.
STR G-H is listed as Heavy H Steel Cutting Type in the STR range. Review the section depth, flange width, separate web and flange thicknesses, beam length and required features together. Match access, positioning and support to the finished part that your fabrication process needs.
Original G-H catalogue image with labeled details from the same source. Confirm process access, support and handling in the actual offer.
STR G-H Heavy H-Section Laser Cutter
Review the full profile and the features on each face.
- Brand
- LSENTR / STR
- Series reference
- STR G-H · Heavy H Steel Cutting Type
- Manufacturer
- Jinan STR Equipment Co., Ltd.
- Machine structure
- Gantry-style catalogue reference with a supported H-section
- Processing method
- Laser profile cutting; source, head and feature scope defined by the offer
- Section envelope
- Depth, flange width, web/flange thickness, length and mass reviewed together
- Support & handling
- Confirm positioning, holding, access, load distribution and part recovery
- Process & software
- Qualify face access, datums, programs, process options and sample results
Send a connection detail with the section drawing.
Identify the material, rolled or welded section, web/flange thicknesses and stock length. Mark each required hole, opening, end cut or weld-preparation feature.
- Check web and flange requirements separately.
- Review head access and workholding together.
- Accept the finished features against the drawing.
Plan a profile-processing route around the finished part
An H-section presents several faces and different local thicknesses. A useful machine review connects the section drawing to the features on its web, flanges and ends, then establishes how the workpiece is located, supported and accessed through the proposed process.
Connection features
For beam and column components, supply the required end geometry, hole pattern and connection datums. Review each feature with the offered head, holding method and program.
Repeat fabrication
For recurring members, include section variation, stock identification, setup and part marking requirements. Confirm how each accepted part reaches assembly.
Heavy or long members
Review actual length, mass, support locations and lifting/collection arrangements. A section-size limit alone cannot define the complete handling capacity.
Follow one member through the process
Identify and position
Match stock, grade and drawing; establish the agreed datums.
Hold and support
Review contact positions and the accessible cutting zones.
Process the required features
Validate face access, local thickness and the actual sequence.
Inspect and recover
Measure features and prepare the part for the next operation.
Specify section geometry, access and capacity together
Request the G-H technical sheet, installation layout and itemized scope for the ordered revision. Use the required section and connection drawings to qualify the complete process rather than selecting from a single nominal size.
| Item | Definition required in the offer |
|---|---|
| Model and process layout | G-H revision, working arrangement, axes/head, positioning and holding method, cutting zones and service access. |
| Section range | Permitted section types, overall depth, flange width, flange/web thickness, root geometry and incoming condition. |
| Length and mass | Usable stock and finished-part lengths, mass per length, total workpiece mass and load/support conditions. |
| Feature access | Qualified web/flange/end regions, head clearances, repositioning requirements and limitations near roots, fixtures or supports. |
| Cutting system | Source/head, power, gas, cooling, extraction, process data and optional bevel/marking functions explicitly listed. |
| Software and identification | Accepted input formats, detail interpretation, programming/nesting scope, licenses and part identification method. |
| Handling and acceptance | Loading/recovery equipment, site interfaces, representative samples, inspection criteria, training and commercial scope. |
The STR reference establishes the G-H Heavy H Steel Cutting Type identity and rendering. It does not supply verified numeric ranges, axis count, bevel angles, cutting speed, positioning accuracy or load ratings.
Read the web, flanges and root area as separate requirements
Two sections with the same outside dimensions can have different web thickness, flange thickness and root geometry. Send the full section designation and drawing, including the supplied condition and any rolled or welded details that affect the required feature.
Map the drawing before choosing the process
Select a region to see the information needed for a configuration review. The schematic explains section terms; it is not a G-H capacity drawing or a verified tool path.
Overall section envelope
Provide overall depth and flange width together with member length, mass and incoming straightness or twist.
- Include on the drawing
- Section designation, h, b, stock length and rolled or welded condition; add actual mass data.
- Confirm with the proposed build
- The usable positioning, holding, support and head-clearance envelope for the complete member.
Validate access to each required feature
| Feature requested on the drawing | What the application review needs |
|---|---|
| Web or flange holes | Face, size, location, tolerance and datum; sample the actual thickness and surface condition. Confirm whether the laser-cut result meets the required finished hole. |
| End cuts and copes | Complete end geometry across web and flanges, fit-up surfaces and corner conditions. Review head approach, holding and any repositioning. |
| Access holes and notches | Actual root/weld geometry, clearance and permitted final contour. Do not assume a standard outline remains accessible near the web-to-flange junction. |
| Bevels or weld preparation | Required faces, angle, root face and edge condition. Confirm head motion, clearance and sample results; bevel capability is not established by the G-H label. |
| Part identification | Marking location, method and readability after finishing; confirm whether marking hardware/software is included. |
These are feature requests for qualification, not a list of verified G-H functions. A cut on an accessible outer face does not demonstrate inner-face or root-region access. Tie every claimed operation to the offered configuration and a representative sample.
Industry context: Penta Laser’s H-beam product description specifies flange/web processing, control and loading options for its own machine. This illustrates the need to define those scopes explicitly; its axes, angles, software and capacities are not G-H specifications.
Treat support and workholding as part of the cutting plan
Follow the member before and after separation
Identify support and holding locations for the stock, the changing cut geometry and the released part. Review access around these locations and how the required datums are maintained if the workpiece must be repositioned.
The image shows an H-section on supporting structure. It cannot establish allowable mass, clamp type, automatic support movement or the loading/recovery sequence.
Stock mass and distribution
Provide mass per length and total member mass with the actual length. Ask for the permitted support conditions and finished-part handling limits; a nominal section size is not a load rating.
Holding and accessible zones
Review fixture/contact positions against the feature list. Identify excluded regions, setup changes and the method used to keep the part located through the sequence.
Released parts and offcuts
Confirm how the final cut affects the support arrangement and how parts or remnants are recovered. Include both long members and short offcuts in the proposed route.
Lifting and movement
Provide the workshop’s stock and finished-part movement plan. Obtain supplier requirements for access, lifting interfaces and site responsibilities from the actual layout.
Match local thickness and incoming condition to the cut
Web and flange thickness
Record tw and tf separately. Qualify the thickest required local cut and the actual feature geometry with the offered laser/head and gas, rather than using overall beam depth as a cutting-thickness value.
Rolled and welded sections
Provide the delivered section drawing, root radii or weld geometry, and expected dimensional variation. Confirm how the proposed setup establishes position and whether any sensing/compensation is supplied.
Surface and material grade
Identify grade, mill scale, coating and the supplied condition. Agree the preparation and process used in the sample trial, so the demonstration represents production stock.
The next operation
Define fit-up, edge cleanup, weld preparation and coating needs. Determine any secondary finishing from the accepted sample and drawing; do not assume laser cutting eliminates drilling, grinding or machining in every job.
Keep the member identity and feature datums through programming
Supply a section drawing and a complete part or connection drawing with dimensions, tolerances, revision and required marking. A 3D model can clarify face relationships, but confirm the exact input formats and program functions supported by the offered software.
File and feature review
Ask for a trial import of a representative real file. Check units, orientation, web/flange features, end geometry, revision and any information that needs manual preparation.
Setup and sequence
Review the proposed holding, accessible zones and any repositioning. Confirm the method of checking head/fixture clearance and whether simulation or collision checking is included.
Nesting and remnants
Evaluate stock allocation with actual kerf allowances, end preparation, fixture exclusions and useful offcuts. Do not infer zero waste or a nesting-efficiency figure from the machine image.
Identification at assembly
Agree the part ID, drawing revision and inspection record carried to the next operation. Confirm any marking or production-data interface as part of the actual scope.
Choose by section and process route
| Reference | Selection focus | Boundary to keep clear |
|---|---|---|
| G-H Heavy H Steel Cutting Type | H-section geometry, web/flange feature access, holding and supported handling. | Confirm the complete process; catalogue appearance does not verify axis count or all-face access. |
| GT three-chuck tube configuration | Tube gripping, transfer and support around the required tubular part. | A chuck-count label is not proof of compatibility with the G-H section and feature envelope. |
| G-A automatic-loading tube configuration | Queued tube stock and repeated feeding. | Tube loading automation does not establish H-beam handling or G-H automation options. |
| Sheet cutting range | Flat components and plates before fabrication. | Cutting separate plates is a different process route from machining a supplied H-section. |
Keep the finished drawing and required incoming material the same when comparing proposals. Other open or hollow profiles require their own application review; the H-steel label does not qualify every profile.
Accept the connection features and the supported process
Use representative production stock with an agreed drawing and inspection plan. Record the actual machine revision, source/head, gas, software, fixtures/supports, setup and any repositioning used.
| Trial item | Evidence to record |
|---|---|
| Incoming member | Grade, section designation, h/b/tw/tf, root or weld detail, length, mass and actual straightness/twist condition. |
| Positioning and access | Datums, support/holding locations, reachable regions, setup changes and any excluded features. |
| Web and flange samples | Hole/location/contour measurements, thickness and face tested, edge condition and relation between features on different faces. |
| Roots, end cuts and bevels if quoted | Actual contours, required clearance, fit-up and edge-preparation results; show any required secondary operation. |
| Repeat members | Identifiable samples across repeated setups or members, with drawing measurements and accepted/rejected results. |
| Separation and recovery | Released-part support, contact marks, handling method, remnant condition and operator tasks. |
| Complete job time | Shared timing boundaries for loading, setup, processing, repositioning, inspection, recovery and changes—not isolated cutting speed. |
Request evidence for the difficult feature
Include the feature nearest a root, fixture or access limit and the actual local thickness. A demonstration on an easy outer face cannot establish every feature on the connection. The catalogue image is not a sample-cut or load-test report.
Prepare the site for long stock and finished members
Ordered footprint
Obtain the layout including machine travel, incoming stock, holding/support equipment, finished parts, lifting access, scrap and maintenance clearance.
Foundation and utilities
Confirm site/foundation requirements, electrical input, cooling, gas delivery and extraction for the ordered build. Do not size services from a catalogue rendering.
Protection and access
Review the supplied protective arrangement around cutting, travel and material handling. A housing or gantry image does not establish a laser classification or certification.
Production handoff
Plan member identification, inspection access, remnant storage and transport to welding or assembly. Confirm any automation interfaces and responsibility boundaries.
Keep positioning, contact surfaces and the cutting head consistent
Workholding and support
Follow the actual manual for contact surfaces, fixtures, supports and permitted adjustment. Retain setup records and inspect when marking or dimensional results change.
Motion and service access
Use the ordered maintenance schedule for the fitted guides, drives and protective covers. Identify access and replacement items from the delivered BOM.
Nozzles, optics and process supplies
Specify consumables for the actual head and process. Confirm gas, cooling and extraction conditions along with the inspection/replacement procedure.
Training and recovery
Include setup, datum establishment, program identification, approved interruption recovery and backup procedures. Agree service contacts and spare-part references.
Compare the scope around the accepted member
Request an itemized offer for the base machine, laser/head, workholding/support, handling, extraction/cooling, software and process options. Include the representative feature trial, measurable acceptance criteria and any secondary operations that remain.
Agree packing, shipping, installation, commissioning, training, documentation, spare parts, warranty conditions and delivery schedule. Compare costs per accepted member using the same stock, drawing, setup, inspection and finishing scope. Avoid inferring a payback period or production rate from the heavy-duty label.
Have the H-section and connection drawings?
Prepare a G-H application reviewQuestions before selecting an H-beam laser cutter
What is the STR G-H machine intended for?
STR identifies G-H as Heavy H Steel Cutting Type. This page covers its H-section application review; the exact supported sections and operations are defined by the ordered technical sheet and sample trial.
Which dimensions should I provide for an H-beam?
Send the section designation and drawing with overall depth h, flange width b, flange thickness tf and web thickness tw, plus root or weld details, length, mass, grade and incoming condition.
Can G-H cut features on both the web and flanges?
List each required face and feature on the drawing. Confirm head access, fixture/support clearances, sequence and any repositioning through the proposed configuration and representative samples.
Does the catalogue image prove five-axis or bevel cutting?
No. The image shows structure, not an axis specification. Confirm the actual head/axes, usable motion, bevel faces and required edge geometry in the offer and trial.
Can it process I-sections, channels or tubes too?
Submit each profile for a separate review of geometry, holding, support, head access and programming. Do not infer a qualified profile list from the H-steel label.
What limits the size or weight of a member?
The usable process depends on section geometry, length, mass, support conditions, positioning and feature access. Obtain all applicable limits for the actual build, including finished-part recovery.
Does laser cutting remove the need for finishing?
Determine the finished edge, hole and weld-preparation condition from the drawing and accepted samples. Required cleanup or secondary machining depends on the specific feature and production route.
What is needed for a G-H quotation?
Provide section and connection drawings, material grade, flange/web thicknesses, stock/part lengths and mass, feature locations, batch quantities, file formats, workshop handling and destination.
Compare the process route for your actual profiles
These tube configurations are separate product references. Their gripping and loading functions are not G-H specifications.
G-A Automatic-loading
Review stock queues, repeated tube feeding and replenishment.
Explore G-ABegin with the connection drawing.
Bring the complete section and required features for an application-specific G-H review.
Prepare G-H requirementsLet's configure your
STR G-H laser cutter.
Send the section and connection drawings, grade, flange/web thickness, length and mass. Describe the required feature faces, batch quantities and handling route.
Jinan STR Equipment Co., Ltd.admin@strmachine.com+86 156 9240 8097No. 136 ChouFu Road, Licheng District,
Jinan City, Shandong, China
Jinan City, Shandong, China
Prepare and review your requirements summary, then send it through the STR contact page or email. This form does not submit an inquiry.
