Citizen Miyano GN-3200
Image: cmj.citizen.co.jp, Citizen Machinery
Key Specifications
machining capacity and chuck system power chuck pneumatic
machining capacity and chuck system diaphragm chuck pneumati
machining capacity and chuck system maximum diameter of coll
machining capacity and chuck system maximum machining length
spindle spindle motor 15min cont
spindle spindle speed range
How much does the Citizen Miyano GN-3200 cost?
Estimated price range
Our best estimate for a cnc lathes / turning center in this class — not a quote from Citizen Machinery. Configuration moves it a long way.
Overview
The Citizen Miyano GN-3200 is a small single-spindle chucking lathe with a horizontal linear turret, built for short precision parts: collet work up to 35 mm dia., a maximum machining length of 50 mm and a spindle running 80 - 8,000 rpm. The whole machine sits on 700 mm×1,460 mm of floor and weighs 1,500 kg.
The linear (gang-style) turret is the key to how it works. Tools sit side by side on the slide instead of on an indexing disc, so moving from one tool to the next is a short X move rather than an index, which keeps non-cutting time low on parts with many quick operations. The slide travels 180 mm in X and 200 mm in Z. It takes 10 mm Sq., 12 mm Sq. and 16 mm Sq. turning tools and 20 mm dia. drill shanks, which says plainly what size of cut it is meant for.
The spindle motor is rated 2.2 kW for 15 min and 1.5 kW continuous. That is enough for finishing and light turning at the 8,000 rpm top speed, but not for heavy stock removal. Work-holding is pneumatic: a 3" precision power chuck with a 4" version as an option, or a 4" diaphragm chuck for thin-walled and finish-turned parts that must not be distorted.
Spindle centre height is 875 mm and overall height 1,600 mm. The narrow 700 mm width suits placing several machines side by side. For two spindles on one base, the Miyano GN-3200W pairs left and right spindles with a turret each on 1,400 mm×1,477 mm.
Full Specifications
| Parameter | Value |
|---|---|
| Machining Capacity and Chuck System Power Chuck Pneumatic | 3"(4") Precision Chuck |
| Machining Capacity and Chuck System Diaphragm Chuck Pneumati | 4" |
| Machining Capacity and Chuck System Maximum Diameter of Coll | 35 mm dia. |
| Machining Capacity and Chuck System Maximum Machining Length | 50 mm |
| Spindle Spindle Motor 15min Cont | 2.2/1.5 kW |
| Spindle Spindle Speed Range | 80 - 8,000 rpm |
| Turret Type of Turret | Horizontal Linear Turret |
| Turret Shank Height of Square Turning Tool | 10 mm Sq., 12 mm Sq., 16 mm Sq. |
| Turret Diameter of Drill Shank | 20 mm dia. |
| Turret Slide Travel X Axis | 180 mm |
| Turret Slide Travel Z Axis | 200 mm |
| Machine Dimensions Machine Height | 1,600 mm |
| Machine Dimensions Spindle Center Height | 875 mm |
| Machine Dimensions Floor Space Width Length | 700 mm×1,460 mm |
| Machine Dimensions Machine Weight Machine Only | 1,500 kg |
Specifications sourced from cmj.citizen.co.jp — verified 2026-10-03
Strengths & Limitations
Strengths
- Spindle speed of 80 - 8,000 rpm for small-diameter finishing
- Horizontal linear turret with 180 mm of X and 200 mm of Z travel
- Only 700 mm×1,460 mm of floor space and 1,500 kg
- Pneumatic 4" diaphragm chuck available for distortion-sensitive parts
- Takes 10 mm Sq., 12 mm Sq. and 16 mm Sq. turning tools
Limitations
- Spindle motor is 2.2/1.5 kW, so heavy stock removal is out
- Collet capacity is 35 mm dia. and maximum machining length 50 mm
- Single spindle: back-side features need a second operation or the Miyano GN-3200W
- No live-tool rows in the table, so milling and cross drilling are not covered
Best For
Frequently Asked Questions
01
Maximum collet diameter is 35 mm dia. and maximum machining length 50 mm. Power chucks are a 3" precision chuck, with a 4" version as an option, and a 4" diaphragm chuck. Both are pneumatic.
02
The tools are mounted in a row on a slide instead of on an indexing turret disc. Changing tools is a short slide move, which keeps idle time down on parts with several quick cuts. On the GN-3200 the slide travels 180 mm in X and 200 mm in Z.
03
The spindle motor is rated 2.2 kW for 15 min and 1.5 kW continuous, with a speed range of 80 - 8,000 rpm. That suits finishing and light turning on small parts rather than heavy roughing.
04
The Miyano GN-3200W has two spindles and two turrets on a 1,400 mm×1,477 mm footprint and weighs 2,650 kg. The GN-3200 has one spindle and one turret on 700 mm×1,460 mm and weighs 1,500 kg. Per-spindle figures are otherwise the same.
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