Takamaz Takamaz XG-4
Key Specifications
Max Spindle
Rapid Traverse
Spindle Power
chuck size
spindle speed
spindle type
Overview
The Takamaz XG-4 is a high-speed gang-tool CNC lathe with a 4-inch collet chuck, engineered for ultra-fast production of small precision turned parts. The gang-type tooling configuration eliminates turret indexing time entirely — all tools are mounted on a single slide and selected by axis positioning alone, making the XG-4 one of the fastest-cycling machines in Takamaz's lineup for simple turned parts.
The built-in motor spindle delivers an impressive 8,000 RPM with 7.5/5.5/3.7 kW of power through a 65 mm bearing bore. The built-in motor design eliminates belt-driven vibration and provides smoother, more precise rotation at high speeds, which translates directly into better surface finish quality on precision components. This spindle technology is typically found on more expensive machines, making the XG-4 an exceptional value proposition for high-speed small-part production.
The gang tool slide provides 200 mm of X-travel and 250 mm of Z-travel with rapid traverse rates of 18 m/min on both axes. The generous travel for a gang-type machine allows accommodation of multiple tool positions across the slide, and the equal rapid rates on both axes ensure efficient tool-to-tool movements regardless of direction. The compact 780 mm machine width and 1,506 x 1,250 mm overall footprint make the XG-4 one of the most space-efficient CNC lathes available.
The Mitsubishi M80 control provides high-speed processing capability that matches the machine's rapid mechanical response. Auto backup functionality with SD card and USB storage ensures programs and parameters are protected. The XG-4's combination of built-in motor spindle, gang tooling, and compact design makes it an ideal building block for high-density automated production cells focused on small precision components.
Full Specifications
| Parameter | Value |
|---|---|
| Chuck Size | Collet, 4 |
| Spindle Speed | 8,000 RPM |
| Spindle Type | Built-in motor |
| Spindle Motor Power | AC7.5 / 5.5 / 3.7 |
| Spindle Bearing Id | 65 mm (2.56 in) |
| Tool Configuration | Gang type |
| X Axis Travel | 200 mm (7.9 in) |
| Z Axis Travel | 250 mm (9.8 in) |
| Rapid Traverse X | 18 m/min (709 IPM) |
| Rapid Traverse Z | 18 m/min (709 IPM) |
| Spindle Center Height | 950 mm (37.4 in) |
| Machine Width | 780 mm (30.7 in) |
| CNC Control | Takamaz & Mitsubishi M80 |
| Floor Space Required | 1,506 x 1,250 mm (59.3 x 49.2 in) |
| Item | Ability |
| Spindle | Spindle bearing I.D. |
| Max Spindle Speed | Max. 8,000 |
| Tool Post | Type |
| Maxstroke | X:200Z:250 |
| Rapid Traverse Rate | Z:75 |
| W L | 1,506 × 1,250 |
| Cnc Control | TAKAMAZ & MITSUBISHI M80 |
| Itemloader Specifications | Ability |
| Workpiece Diameter | φ30 |
| Workpiece Length | 50 |
| Max Load Capacity | 0.3 |
Specifications sourced from takamaz.co.jp — verified 2026-03-28
Strengths & Limitations
Strengths
- Built-in motor spindle at 8,000 RPM delivers vibration-free high-speed turning with excellent surface finish
- Gang-type tooling eliminates turret indexing time for the fastest possible cycle times on simple parts
- Ultra-narrow 780 mm machine width enables extremely dense side-by-side cell configurations
- 7.5 kW spindle power is generous for a 4-inch class machine, handling steel at production feeds
- Mitsubishi M80 control provides high-speed processing to match the machine's rapid mechanical response
- Auto backup to SD card and USB protects programs and parameters during production
Limitations
- 4-inch maximum collet capacity severely limits workpiece diameter range
- Gang tooling provides fewer tool positions than 8 or 12-station turret alternatives
- No live tooling capability restricts the machine to pure turning operations
- Limited brand recognition outside Japan creates service and resale challenges in Western markets
Best For
Frequently Asked Questions
01
New Takamaz XG-4 machines price between $75,000 and $115,000 depending on tooling configuration and automation options. The built-in motor spindle adds value versus belt-driven alternatives, and the machine's productivity makes it cost-effective for high-volume production.
02
The built-in motor eliminates the belt drive between motor and spindle, removing a source of vibration and allowing smoother rotation at high speeds. This results in better surface finish, tighter tolerances, and reduced maintenance since there are no belts to wear or replace.
03
Gang tooling mounts all tools on a single slide, selecting tools by axis movement rather than turret rotation. This eliminates indexing time between tools, which on a turret typically adds 0.3-0.5 seconds per tool change. On short-cycle parts, this time savings significantly increases throughput.
04
Both are 4-inch gang-tool lathes with similar footprints and travel. The XG-4 has a more powerful built-in motor spindle at 8,000 RPM versus the J-WAVE PLUS's belt-driven 4,500 RPM spindle. The XG-4 is the faster, higher-specification machine, while the J-WAVE PLUS offers a lower entry cost.
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