CNC Milling Module for Aluminum Machining Cells

Product Specifications

Technical details and manufacturing context for CNC Milling Module

Definition

The CNC Milling Module is a critical component of an Aluminum CNC Machining Cell, specifically designed for subtractive manufacturing processes. It houses the spindle, tool changer, and axis drives necessary to execute programmed milling paths, removing material from aluminum blanks to create complex parts with high dimensional accuracy and surface finish. The module is typically constructed with a cast iron or steel base for rigidity, while aluminum alloy housings reduce weight. It operates within a defined range of spindle speeds (8000–24000 rpm) and spindle power (5.5–15 kW), enabling both high-speed finishing and heavy cutting. Positioning accuracy is specified as ±0.005 to ±0.01 mm, and repeatability as ±0.003 to ±0.005 mm, both referenced to ISO 230-2. Rapid traverse rates range from 20 to 60 m/min, and cutting feed rates from 1 to 15 m/min, affecting cycle times. Axis travel (X/Y/Z) is available in ranges such as 500–2000 / 400–800 / 400–600 mm, defining maximum workpiece size. Tool shanks conform to BT30–BT40 (ISO 7388), and tool magazine capacity ranges from 16 to 40 tools. Coolant pressure is 1.0–6.0 MPa to aid chip evacuation. The module operates in ambient temperatures of 5–45°C, requires a three-phase 380–480 V AC supply (IEC 60038), and weighs between 3000 and 8000 kg. These values are reference ranges; actual specifications must be confirmed with the legal manufacturer for the specific model and application. The module is not a standalone machine but a part of a larger cell, and its performance depends on integration with the cell's controller and auxiliary systems.

Working Principle

The module receives G-code instructions from the cell's central controller. Its servo motors drive linear axes (typically X, Y, Z) to position the workpiece relative to a high-speed rotating spindle. Cutting tools mounted in the spindle engage the aluminum workpiece, shearing away material according to the programmed toolpath to achieve the desired geometry. The tool changer automatically swaps tools from the magazine as needed, and coolant is applied under pressure to control temperature and evacuate chips. The module's control system monitors axis positions and spindle load to maintain accuracy and detect anomalies.

Common Materials

Cast Iron, Steel, Aluminum Alloy (for housings)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Spindle Speed	8000–24000 rpm	Higher speed for fine finishes; lower for heavy cuts.
Spindle Power	5.5–15 kW	Determines material removal rate.
Positioning Accuracy	±0.005–±0.01 mm	Critical for tight tolerances.ISO 230-2
Repeatability	±0.003–±0.005 mm	Ensures consistency across parts.ISO 230-2
Rapid Traverse Rate	20–60 m/min	Affects cycle time.
Cutting Feed Rate	1–15 m/min	Depends on tool and material.
Axis Travel (X/Y/Z)	500–2000 / 400–800 / 400–600 mm	Defines maximum workpiece size.
Tool Shank	BT30–BT40	Compatibility with tooling.ISO 7388
Tool Magazine Capacity	16–40 tools	Number of tools for automatic change.
Coolant Pressure	1.0–6.0 MPa	Higher pressure improves chip evacuation.
Operating Temperature	5–45 °C	Outside range may affect accuracy.
Rated Power Supply	380–480 V AC	Three-phase, 50/60 Hz.IEC 60038
Machine Weight	3000–8000 kg	Affects installation and floor loading.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Spindle Assembly
Rotates the cutting tool at high speeds to perform the milling operation.

Material: Steel, Ceramic Bearings
Linear Guideways
Provide precise, low-friction movement for the machine axes (X, Y, Z).

Material: Hardened Steel
Ball Screw Drive
Converts rotary motion from servo motors into precise linear motion for axis movement.

Material: Alloy Steel
Tool Magazine
Stores multiple cutting tools and automatically exchanges them with the spindle as required by the program.

Material: Aluminum Alloy, Steel
Servo Motors
Drive the X, Y and Z axes to the programmed positions.
Coolant System
Delivers cutting fluid under pressure to cool the tool and flush chips.
Control System
Runs the G-code, watches axis position and spindle load, and flags anomalies.

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Frequently Asked Questions

What is the typical spindle speed range for this module?

The spindle speed range is 8000–24000 rpm, with higher speeds for fine finishes and lower speeds for heavy cuts. Confirm the exact range for your specific model.

What standards are referenced for positioning accuracy?

Positioning accuracy and repeatability are referenced to ISO 230-2. The stated ranges are ±0.005–±0.01 mm for accuracy and ±0.003–±0.005 mm for repeatability. Always verify compliance with the manufacturer.

What tool shank types are compatible?

The module supports BT30–BT40 tool shanks per ISO 7388. Tool magazine capacity ranges from 16 to 40 tools. Check compatibility with your tooling.

What are the electrical requirements?

The module requires a three-phase 380–480 V AC supply (IEC 60038) at 50/60 Hz. Operating temperature range is 5–45°C. Confirm with the manufacturer for your installation.

Data Basis

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pressure:	0.5-1.0 MPa (coolant system)
feed rate:	0.1-10 m/min
temperature:	15-35°C (operating ambient)
spindle speed:	500-12000 RPM
workpiece size:	Max 500x500x300 mm

CNC Milling Module

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards