Radial drilling machine is one of the most widely used hole-processing machines in machining workshops. It is famous for its flexible radial arm structure, making it ideal for large workpieces and multi-position drilling. It is widely applied in drilling, reaming, tapping, countersinking, and end-facing operations.
Main Structure
Base: Heavy-duty support for stable machining.
Column: Double-column design, rotatable 360°.
Radial Arm: Moves up and down, swivels around the column.
Spindle Head: Moves horizontally on the arm for precise positioning.
Worktable / Clamping: Used to fix workpieces safely.
Key advantage: Three-way adjustment (rotation, lifting, horizontal moving) — no need to move heavy workpieces frequently.
Functions & Applications
Drilling: Through holes, blind holes in steel, cast iron, stainless steel.
Reaming: Improves hole accuracy and surface finish.
Tapping: Internal thread processing.
Countersinking & facing: Chamfering and end trimming.
Application: Large boxes, frames, molds, flanges, and heavy parts.
Operation Procedure
Check lubrication, clamping, and safety devices.
Clamp the workpiece firmly.
Adjust the arm height, rotation, and spindle position.
Set speed and feed rate.
Start drilling, then return and unclamp.
Clean and power off after use.
Safety Rules
Wear safety goggles; do NOT wear gloves near rotating parts.
Always lock the arm and spindle head before machining.
Do not overload the machine.
Stop immediately if abnormal noise or vibration occurs.
Common Models
Z3050×16: Max drilling diameter 50mm.
Z3063×20: Max drilling diameter 63mm.
Z3080×25: Max drilling diameter 80mm.
Choose according to hole size, workpiece weight, and material.
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