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Compact silver benchtop CNC router kit on table

Monoprice Inc.

Monoprice Benchtop CNC Router Kit 44220 3 Axis

SKU CH-BRS4-7YTKC

Benchtop CNC router kit engraves and mills soft metals, wood, plastic, acrylic, PVC and PCB with a 30 × 18 × 4.5 cm work area and 775 spindle motor up to 9000 rpm

  • Benchtop footprint of 420 x 255 x 280 mm fits on a standard desk
  • 30 x 18 x 4.5 cm work area accommodates diverse project sizes
  • 775 spindle motor reaches 9000 rpm for clean cuts in soft metals
  • USB interface with GRBL control simplifies operation for beginners and pros
  • Emergency stop port and probe port add safety and precision during machining

Benchtop CNC Router Kit 44220

The Monoprice Benchtop CNC Router Kit 44220 is a compact three-axis machine designed for desktop engraving and milling. It suits hobbyists and professionals who need to process soft metals, wood, plastics, acrylic, PVC and PCB materials. A USB interface and GRBL control system provide accessible operation for users at various skill levels.

Working area and material limits

The usable work envelope measures 30 x 18 x 4.5 cm within a frame of 40 x 33 x 24 cm. The 775 spindle motor reaches 9000 rpm with 0.25 N m torque at 1.3 A stepper current. These specifications restrict effective use to softer materials such as copper, brass, aluminium, wood and plastics rather than hardened steels.

Upgrade from manual or entry-level tools

This kit replaces hand engraving tools and basic rotary tools by adding automated three-axis control with limit ports and a probe port for repeatable accuracy. An emergency stop port and fan port improve safety and thermal management. The jump is worthwhile when project volume or precision demands exceed what manual methods can consistently deliver.

商品特色

  • Benchtop footprint of 420 x 255 x 280 mm fits on a standard desk
  • 30 x 18 x 4.5 cm work area accommodates diverse project sizes
  • 775 spindle motor reaches 9000 rpm for clean cuts in soft metals
  • USB interface with GRBL control simplifies operation for beginners and pros
  • Emergency stop port and probe port add safety and precision during machining

商品規格

BrandMonoprice
Part Number144220

商品問答

Which working area should I plan for — the 30 × 18 × 4.5 cm envelope or the 40 × 33 × 24 cm frame?

The 30 × 18 × 4.5 cm figure is the actual carving envelope; the 40 × 33 × 24 cm frame is the outer footprint needed on your bench.

What does the 9000 rpm spindle speed mean for cutting aluminium?

At 9000 rpm the 775 spindle delivers enough surface speed for shallow passes in soft aluminium, brass or copper when paired with the 0.25 N·m stepper torque.

How does the USB GRBL interface limit file transfer or machine control?

The USB link streams GRBL g-code directly to the controller; transfer speed is governed by the serial-over-USB bandwidth, not by an Ethernet or Wi‑Fi layer.

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