Conventional Milling Machine

Product Overview

A conventional milling machine removes material from a stationary or moving workpiece mounted on a graduated worktable via a rotating multi-edge cutter. Axis movement is controlled through handwheels, mechanical feed gearboxes, or Digital Readout (DRO) systems. Built on a Meehanite cast iron frame, these machines absorb high-frequency chatter during face milling and slotting operations. They serve as primary assets in tool and die shops, maintenance departments, and low-volume production lines requiring tactile feedback and rapid setup times.

XA7140 Bed Type Milling Machine
Table size: 1400*400mm
Longitudinal travel X axis: 1000mm
Cross travel Y axis: 400mm
Vertical travel Z axis: 500mm
Spindle taper: ISO50
Spindle power:...
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Cnc Universal Milling Machine
Knee type milling machine model X5040/X6140 is general product. The machine featureseasy operation and high stability. these machines are widely suited for flat surfaces, grooves andgear machining...
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Large Horizontal Milling Machine
Table size（length * width）：1700*400mm
Max. load of table：800kgs
X axis Longitudinal travel (manual/auto)：900mm / 880mm
Y axis Transverse travel (manual/auto)：315mm /...
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Key Features

Meehanite Cast Iron Bed: High-density casting annealed to relieve internal stress, limiting thermal and mechanical deflection under heavy cutting loads.
Hardened and Ground Guideways: Induction-hardened saddle and table ways (HRC 50-55) paired with Turcite-B coated mating surfaces to minimize stick-slip and wear.
Precision Spindle Assembly: Supported by high-precision angular contact ball bearings, providing radial runout under 0.008 mm for consistent surface finishes.
Mechanical Feed Gearbox: Enclosed backlash-adjustable feed mechanism delivering synchronized power feeds across X, Y, and Z axes without external motor setups.
Integrated DRO System: 3-axis optical linear scales with a resolution of 0.005 mm, reducing manual calculation errors during positioning.

Machining Capabilities

Face Milling

Utilizes shell end mills up to 160 mm diameter for flat surface generation on steel and cast iron components.

Slotting and Pocketing

Executes keyways, T-slots, and internal pockets using high-speed steel or carbide end mills.

Angular Milling

Employs a swiveling vertical milling head (adjustable plus-minus 45 degrees) or universal dividing head for bevels and helical gears.

Drilling and Boring

Performs coaxial hole drilling, reaming, and boring operations utilizing the quill feed mechanism.

Machine Configuration

Table Size	1370 x 300 mm (Working surface with 3-T slots)
Travels (X / Y / Z)	1000 mm x 280 mm x 380 mm
Spindle Taper	ISO 40 (or ISO 50 option)
Spindle Speed Range	40 - 1800 RPM (8 steps via gear selector)
Spindle Motor Power	3.7 kW / 5 HP (3-phase, 380V/480V, 50/60Hz)
Max Table Load	300 kg
Machine Dimensions	1700 x 1650 x 2150 mm
Net Weight	1550 kg

Application

Tool & Die Shops

Manufacturing stamping dies, injection molds, and custom clamping jigs.

Job Shops & Maintenance

Re-machining worn industrial shafts, rebuilding gearboxes, and fabricating one-off replacement brackets.

Aerospace & Automotive Prototyping

Initial roughing of structural aluminum and steel blocks prior to multi-axis finishing.

Vocational Training Facilities

Teaching fundamental metal removal mechanics, coordinate positioning, and cutter geometry.

How to Choose

Determine Work Envelope: Match maximum X, Y, and Z travel requirements to your largest workpiece envelope, ensuring a 20 percent safety margin on axis limits.

Evaluate Rigidity vs. Material: Select ISO 50 spindles and heavier cast frames (greater than 2000 kg) for continuous heavy-duty roughing of alloy steels; ISO 40 sufficing for light alloy and general maintenance.

Verify Power Supply: Confirm local plant voltage matches motor specifications (e.g., 480V 3-phase for North American facilities; 400V for CE compliance).

Assess Drive Type: Choose manual feed for simple repair shops; specify 3-axis power feed and DRO for production environments requiring repeatable positioning.

Manufacturing & Quality Control

Casting Aging Process

Castings undergo rough machining, thermal stress-relief annealing, and natural seasoning before precision finishing.

Guideway Induction Hardening

Depth of surface hardening maintained at 2.0 to 3.0 mm to guarantee long-term wear resistance.

Laser Interferometer Calibration

Axis positioning accuracy and backlash are verified using laser measurement systems per ISO 230-2 standards.

Ballbar Testing

Circular interpolation testing performed on vertical heads to isolate geometric alignment errors prior to crating.

Optional Configuration

3-Axis Digital Readout (DRO)

Glass scale systems pre-installed.

Universal Dividing Head

Includes tailstock and change gears for gear cutting and indexing.

Power Drawbar

Pneumatic cylinder kit for rapid ISO 40 tool changes.

Coolant System & Chip Tray

Integrated flood coolant pump (90W) with telescopic way covers.

Power Feed Units

Variable-feed DC motors for X and Y axes.

FAQ

Q: What is the difference between a knee-type vertical mill and a bed-type mill?

A: A knee-type mill allows the worktable to move vertically (Z-axis) along the column via a heavy elevator screw (knee), offering greater flexibility for variable workpiece heights. Bed-type mills feature a fixed-height table supported directly on a rigid base, suited for heavier loads and dedicated high-volume milling.

Q: Can this machine handle stainless steel and hardened tool steel?

A: Yes. With rigid Meehanite castings and proper carbide tooling running at reduced surface speeds, the machine handles stainless grades (e.g., 304, 316) and pre-hardened steels up to HRC 35.

Q: What electrical standards and safety certifications are provided?

A: Machines are built to comply with NFPA 79 electrical standards and utilize UL-listed components for North American deployment. European exports include CE compliance (Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU), spindle safety guards with limit switches, and emergency foot brakes. Quality management complies with ISO 9001:2015.

Q: How is backlash adjusted on the lead screws?

A: The table and saddle axes utilize adjustable double-nut bronze lead screw designs. Backlash can be mechanically taken up using the external adjustment rings on the lead screw housings.

Q: What foundation requirements are necessary for installation?

A: The machine requires a reinforced concrete floor of at least 150 mm thickness. Leveling is achieved using the supplied foundation bolts and precision wedge jacks to eliminate bed twist.

Q: What spare parts should be stocked locally for maintenance?

A: Recommended spare stock includes shear pins for the feed mechanism, replacement drive belts, spindle wiper felts, and spare fuses for the electrical control panel.

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