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3D CNC Beam Drilling Machine

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Categories	3D Beam Drilling Machine
Brand	YOMI CNC Cutting&Welding Machinery
Model	YM-3D1250
Beam web height	200-1250mm
Max drilling thickness	≤80mm
Max drilling hole diameter	￠40mm
Spindle motor power	3x15KW
Effective feeding length	12m
Maximum feeding speed	20m/min
Positioning CNC axis moving speed	10～6000mm/min
Feeding CNC axis moving speed	10～12000mm/min

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Detail Information

YOMI YM-3D1250 3D CNC Beam Drilling Machine

In short: the YOMI YM-3D1250 is a high-speed CNC three-dimensional beam drilling line for H-beams, U-beams, box beams and angle steel. An infeed conveyor feeds the profile into a drilling unit where three independent power heads machine the connection-plate hole groups on three faces in one pass. It reads TEKLA 3D DSTV files directly to generate the program, drills 8 to 40 mm holes at 30 to 3000 r/min, and holds hole-group accuracy within 0.5 mm. It is a cold-processing replacement for manual layout and radial drilling in steel structure fabrication.

What the machine does

The line is built from three integrated modules: an infeed conveyor, the drilling unit, and an outfeed conveyor with a finished workpiece storage area. The beam travels along transmission roller tables into the drilling unit, where three groups of power drills work the three sides of the profile at the same time.

Cold processing, so no thermal distortion of the hole geometry
Reads TEKLA 3D DSTV files: no manual re-entry of hole positions
Seven CNC axes with 3D graphics preview and automatic fault diagnosis
Accepts raw material up to 12,000 mm, 12 or 15 m configurable

Key Specifications at a Glance

Model	YM-3D1250
Workpiece	H beam, U beam, box beam, angle steel
Maximum workpiece width	1250 mm
Drilling diameter	8 to 40 mm
Spindle	BT40 taper, convertible to M4, 30 to 3000 r/min
Spindle motor power	3 x 15 kW
CNC axes	7
Hole accuracy	0.5 mm within a hole group under 640 mm; 1.0 mm per 10,000 mm between groups
Feeding	10 t capacity at up to 20 m/min
Main host size and weight	About 5600 x 1600 x 3400 mm, about 20,000 kg

How the Drilling Line Works

The complete unit is about 32,000 mm long: a 14,000 mm feed conveyor, a 2,000 mm drilling unit, and the outfeed section with finished workpiece storage. This layout is what allows the line to accept a full 12,000 mm raw beam without repositioning.

Automatic infeed conveyor of the YOMI 3D beam drilling line

1. Automatic feeding

The loading trolley places the beam on the infeed conveyor; servo feeding moves it at up to 20 m/min with a 10 t load capacity.

Feed roller frame and drilling position of the YOMI 3D beam drilling machine

2. Positioning and clamping

Roller frames support the profile while the CNC axes position it; short material from 3,000 mm is processed automatically.

Overall structure of the YOMI 3D beam drilling machine drilling unit

3. Three-face drilling

Three drilling power boxes machine the web and both flanges in the same pass, with mist cooling at 0.5 MPa.

Outfeed conveyor and finished workpiece storage area of the YOMI 3D beam drilling line

4. Outfeed and storage

The drilled beam moves onto the outfeed conveyor and into the finished workpiece storage area, ready for the next station.

Core Advantages

Rigid monolithic bed

The machine base is a single casting of about 20 t, with a ribbed structure for vibration damping. Higher rigidity means longer drill-bit life and cleaner hole walls than a light welded frame.

High-speed BT40 power head

Three spindles at 3 x 15 kW running 30 to 3000 r/min, with quick-change tooling and a taper convertible from BT40 to M4.

TEKLA DSTV ready

The controller imports standard 3D DSTV files and generates the machining program directly, with both online and offline programming supported.

Repeatable hole accuracy

0.5 mm between adjacent holes inside a group spaced under 640 mm, and 1.0 mm per 10,000 mm between hole groups, so bolted connections line up on site.

Three faces in one pass

All three drilling units work the profile simultaneously, removing the re-clamping and re-handling that manual drilling needs per face.

Self-developed control system

A 3D graphic preview shows every hole before cutting, automatic alarm display and fault diagnosis shorten troubleshooting, and system upgrades are free for life.

Programming and Operation

Easy operation control interface of the YOMI 3D beam drilling machine

From model to finished holes

Import the fabrication model as a TEKLA 3D DSTV file.
The system generates the drilling program and shows a 3D preview of every hole.
Confirm and run: the machine positions and drills all three faces automatically.
Automatic alarm display and fault diagnosis guide the operator if anything is out of range.

Online or offline programming is supported, so the machine fits both connected and stand-alone workshop layouts.

Full Technical Parameters

Item	Parameter
H beam	150 x 80 to 1250 x 600 mm
U beam	150 x 80 to 1250 x 400 mm
Box beam	150 x 80 to 1250 x 400 mm
Angle steel	200 x 200 x 16 mm
Thickness	80 mm or less
Length	12 or 15 m, or customized
Short material limit	Automatic processing from 3,000 mm
Drilling power boxes	3 pcs
Drilling hole diameter	8 to 40 mm
Spindle speed	30 to 3000 r/min
Spindle taper hole	BT40, convertible to M4
Spindle motor power	3 x 15 kW
CNC axis quantity	7 pcs
Fixed, moving and intermediate shaft servo power	3 x 2 kW
Positioning CNC axis speed	0 to 10 m/min
Feed CNC axis speed	0 to 5 m/min
Machined hole accuracy	Adjacent holes in a group under 640 mm: 0.5 mm; adjacent hole group distance: 1.0 mm per 10,000 mm
Feeding trolley servo motor power	5 kW
Maximum feeding speed	20 m/min
Maximum feeding weight	10 t at 1 t/m
Maximum width of workpiece	1250 mm
Mist cooling nozzles	3 pcs at 0.5 MPa compressed air
Main host dimension, L x W x H	About 5600 x 1600 x 3400 mm
Main host weight	About 20,000 kg

Applications

Steel structure application of the YOMI high speed 3D CNC beam drilling machine

High-speed 3D CNC beam drilling is used wherever steel profiles need accurate connection holes at production speed:

High-rise building steel structures with dense bolted connections
Bridge and infrastructure steelwork
Power station boilers and heavy plant construction
Three-dimensional parking garages and multi-level frames
Offshore oil well platforms and marine steelwork

3D Beam Drilling vs Traditional Radial Drilling

Item	Traditional radial drilling	YOMI YM-3D1250
Layout and marking	Manual measuring and scribing	Automatic from the TEKLA DSTV model
Faces per setup	One face, re-clamped for each face	Three faces in one pass
Hole accuracy	Depends on operator skill	0.5 mm within a hole group
Consistency	Varies by shift and operator	Program driven and repeatable
Throughput	Low, with multiple handling steps	Continuous roller-table flow at up to 20 m/min

Manufacturer, Delivery and Service

Who builds it

Shandong YOMI Intelligent Science and Technology Co., Ltd. operates an 11,000 square metre facility with 200+ staff, two factories and nine workshops, and exports steel structure equipment to 120+ countries with 16+ years of experience.

Quality system

Manufactured under ISO 9001 quality management, with incoming inspection, trial running and hole-accuracy verification before shipment.

Delivery

Seaworthy export packing with moisture protection and anti-rust treatment for long-distance shipping. Lead time is confirmed with the order.

Service

Warranty on the machine with remote and on-site technical support, plus free lifetime upgrades of the control system.

Frequently Asked Questions

What profiles can the YM-3D1250 drill?

H beams from 150 x 80 mm to 1250 x 600 mm, U beams and box beams up to 1250 x 400 mm, and angle steel up to 200 x 200 x 16 mm, with material thickness up to 80 mm.

What hole diameters and spindle speeds are available?

Holes from 8 to 40 mm, with three BT40 spindles running 30 to 3000 r/min at 3 x 15 kW. The taper is convertible to M4.

Does it work with our existing design software?

Yes. It reads standard TEKLA 3D DSTV files and generates the machining program directly, so hole positions do not need to be re-entered by hand.

How accurate is the hole positioning?

Within a hole group spaced under 640 mm, adjacent holes are held to 0.5 mm. Between adjacent hole groups the tolerance is 1.0 mm per 10,000 mm.

Is the line automated, and how heavy a beam can it feed?

Yes. The servo feeding trolley handles up to 10 t at 1 t per metre and moves the beam at up to 20 m/min, and short material from 3,000 mm is processed automatically.

Can YOMI supply a complete H-beam production line?

Yes. YOMI supplies cutting, assembling, welding, straightening, drilling and painting equipment, and can configure a full steel structure production line around this drilling machine.

Get a Configuration and Quotation

Send us your profile sizes, hole diameters, material thickness and target output. Our engineers will recommend the right configuration and return a quotation.