ACRA LCM-42 Vertical Milling Machine – 9″ × 42″ Variable Speed Knee Mill (R8 Spindle)

ACRA LCM-42 Vertical Milling Machine – 9″ × 42″ Variable Speed Knee Mill (R8 Spindle)

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ACRA LCM-42 vertical milling machine with 9″ × 42″ table, R8 spindle, 3 HP motor, and variable speed head for precision machining and fabrication.

SKU: LMC42 Category: Brand:

Description

Product Overview

The ACRA LCM-42 is a full-size vertical milling machine designed for precision machining in professional shops and fabrication environments. With a 9″ × 42″ table, variable speed head, and rigid knee mill construction, it delivers the accuracy and durability required for milling, drilling, boring, and production work.

Built in the traditional “Bridgeport-style” design, the LCM-42 provides versatility, reliability, and long-term performance for a wide range of machining applications.

Applications

  • Machine shops and toolrooms
  • Precision part machining
  • Fabrication and repair work
  • Production and prototype work

👉 Ideal for shops that need full machining capability and accuracy

Key Features

  • 9″ × 42″ table for versatile part setup
  • Variable speed head (60–4500 RPM) for different materials
  • R8 spindle (industry-standard tooling compatibility)
  • 3 HP motor for powerful cutting
  • 30″ X-axis travel and 12″ Y-axis travel
  • 16″ knee travel for large workpiece adjustment
  • Precision-ground spindle supported by angular contact bearings
  • Hardened and ground spindle taper for accuracy
  • One-shot lubrication system for easy maintenance
  • Chrome-plated quill and hardened ways for durability
  • Heavy-duty Meehanite castings for rigidity and vibration control

Why This Machine Matters

Mill/drills (RF-31):

  • Limited rigidity
  • Less accurate
  • Not ideal for heavy cuts

The LCM-42 solves this by:

  • Providing full knee mill rigidity
  • Delivering higher accuracy and repeatability
  • Handling heavier cutting operations

👉 This is the standard machine for real machining work

When to Use This Machine

  • Precision machining of parts
  • Milling, drilling, boring, and slotting
  • Toolroom and production work
  • Shops upgrading from a mill/drill

Specifications

  • Table Size: 9″ × 42″
  • X Travel: 30″
  • Y Travel: 12″
  • Knee Travel: 16″
  • Spindle Taper: R8 or NST30
  • Speed Range: 60–4500 RPM
  • Motor: 3 HP
  • Quill Travel: 5″
  • Power: 230/460V, 3-phase
  • Weight: ~2,400 lbs

📞 Need Help Choosing the Right Milling Machine?

Not sure if a full knee mill like the LCM-42 is the right fit or if a smaller mill/drill would be enough?

👉 Call us or request a quote—we’ll help you choose the right machine based on your part size, tolerances, and production needs.

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