What hole types and tooling can a gantry type CNC plate drilling machine handle?

What hole types can a gantry type CNC plate drilling machine produce?

A gantry type CNC plate drilling machine is designed for flat steel plates and can produce through holes, blind holes, step holes, and holes with end chamfering. This makes it ideal for connection plates, gusset plates, base plates, splice plates, and flange rings used in steel structures, towers, bridges, and heavy machinery. The YOMI YM-PD2016, for example, drills diameters from Φ12 mm to Φ50 mm as standard, with optional tooling for larger holes, and handles plate thicknesses up to 100 mm.

What spindle and tooling does the YOMI YM-PD2016 use?

The YM-PD2016 uses a single drilling spindle with a Morse 4# taper hole. The spindle speed is infinitely adjustable from 120 to 560 rpm through an inverter, so the operator can match the speed to the drill diameter and material. The main motor is 5.5 kW, with a 7.5 kW option available for tougher applications. Feed is handled by a hydraulic self-controlled stroke drilling power head with 180 mm of feeding travel. For best tool life, use high-speed steel or carbide twist drills designed for structural steel, keep the cutting edges sharp, and run the forced circulating water cooling system continuously.

How does the hydraulic clamping system improve productivity on a gantry plate drill?

The YM-PD2016 is equipped with 12 hydraulic clamping cylinders, each delivering 7.5 kN of clamping force and controlled by a foot switch. Small plates can be clamped at four corners, and the operator can load the next plate while the machine is still drilling. This eliminates the manual clamping time of a radial drill and prevents plate movement during drilling, which is one reason the gantry plate drill can hold ±0.5 mm drilling accuracy and ±0.1 mm re-positioning accuracy.

How is a gantry CNC plate drill programmed from a CAD file?

The YM-PD2016 uses a PLC plus IPC control system that accepts AutoCAD DXF files directly. The operator imports the drawing, places the hole positions on the plate layout, and the control software generates the drilling path automatically. There is no need for manual marking or coordinate entry. The system also stores hole-site programs in memory and retains the active program if power is lost mid-cycle. For workshops already using Tekla or SolidWorks, the same DXF/DSTV workflow can feed both the plate drill and the beam line, keeping the programming pipeline consistent.

Why are chip removal and cooling critical on a gantry CNC plate drilling machine?

Drilling thick steel produces a large volume of hot chips. The YM-PD2016 uses a flat-chain automatic chip conveyor to remove chips from the work area, and a forced circulating water cooling system to control the temperature of both the drill bit and the workpiece. Without these systems, chips can pack around the drill, causing oversized or tapered holes, and heat can expand the plate or bit, reducing the ±0.5 mm accuracy. Keeping the coolant concentration correct and the conveyor clear is therefore part of normal daily operation, not an afterthought.

What foundation and power supply does the YOMI YM-PD2016 need?

The machine weighs 6 tons and measures 3500 × 2650 × 2870 mm, so it must sit on a level, reinforced concrete foundation that can carry the weight without settling. Vibration isolation is helpful if the machine is installed near other precision equipment. Electrically, the machine needs a three-phase industrial supply to run the 5.5 kW main spindle motor, the 2 kW X-axis dual servo motors, the 1.5 kW Y-axis servo motor, and the hydraulic pump that maintains 6 MPa clamping pressure. A 100 L hydraulic oil tank and a clean, dry electrical cabinet complete the installation.

When should you choose a gantry CNC plate drill over a radial drilling machine?

Choose a gantry CNC plate drill when you process flat plates in repeatable batches, need high positional accuracy, or drill holes up to 100 mm thick. The YM-PD2016 removes manual layout, clamps automatically, and produces holes accurate to ±0.5 mm, which is difficult to achieve consistently on a radial drill. Choose a radial drill for one-off jobs, very large or awkward parts that cannot fit on a table, or field repair work where portability matters. Most structural steel shops eventually add a gantry plate drill for connection plates and keep the radial drill for special jobs.

How do you reduce drill bit breakage and extend tool life on a gantry plate drill?

Use the right combination of spindle speed and feed for the drill diameter and plate thickness; the YM-PD2016's 120-560 rpm inverter makes this easy. Run peck drilling cycles for deep holes so chips can clear and coolant can reach the tip. Keep the cutting edges sharp and replace or resharpen bits before they become dull, because a dull drill generates extra heat and wandering. Maintain the correct coolant concentration and flow rate, and make sure the hydraulic clamps hold the plate firmly. Finally, store programs with proven speed/feed values for each common plate type so operators do not have to guess.

Technical Specifications of Gantry Type CNC Plate Drilling Machine

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Applications

The Gantry Type CNC Plate Drilling Machine is widely applied in steel structure prefabricated buildings, bridge and infrastructure construction, shipbuilding and marine engineering, heavy machinery manufacturing, power plant and industrial facilities, and offshore wind power structures.

Learn more about the Gantry Type CNC Plate Drilling Machine:
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For more information about Gantry Type CNC Plate Drilling Machine and other steel structure intelligent equipment, contact YOMI CNC Cutting & Welding Machinery. Our team of experts is ready to help you find the best solution for your manufacturing needs.