Mazak SYNCREX 20/7
Image: mazak.com, Yamazaki Mazak
Key Specifications
Max Spindle
Tool Capacity
Max Turn Length
max turning diameter
spindle power intermittent
sub spindle speed
How much does the Mazak SYNCREX 20/7 cost?
Estimated price range
Our best estimate for a swiss-type lathe in this class — not a quote from Yamazaki Mazak. Configuration moves it a long way.
Overview
The Mazak SYNCREX 20/7 is a Swiss-type lathe for bar up to Ø0.75 in (19 mm), with a maximum turning length of 8.07 in (205 mm) and a main and a sub spindle that both run to 10,000 rpm. Mazak's series page places it in the Ø20 mm to Ø25 mm group. Its tool list totals 29, the shortest of the models at this bar size.
Each spindle motor is rated 3.7 kW (5 HP) at 40% ED. That is the only rating in the table, so there is no continuous figure to plan long, heavy cuts around. At this diameter the speed matters more than the power: small stock needs rpm to reach a sensible surface speed, and with 10,000 rpm on both sides the back-end operations run at the same cutting data as the front. Of the 29 tools, 4 are cross live tools and 2 are end working tools, and the boring bar holders are listed 4 / 4 for main and sub.
Within the 20 size the choice is about tool positions, because bar diameter, turning length, spindle speed and the 7,850 lb (3,561 kg) weight do not change. The SYNCREX 20/8 lists 33 tools and the SYNCREX 20/9 lists 36 tools. If the part needs more bar and not more tools, the SYNCREX 25/7 takes Ø1 in (25 mm) with the same 29 tools.
Rapid traverse is 1,378 ipm (35 m/min) on X, Y and Z and on the X2, Y2 and Z2 axes. The machine occupies 48.23 in (1,225 mm) by 88.58 in (2,250 mm) with the MAZATROL SmoothSt control and stands 66.93 in (1,700 mm) high. For the SYNCREX series Mazak describes an HDCC machine base cast in one piece, a removable guide bushing adapter that lets the bushing be preset outside the machine, and an Auto Tool Setter in the machine.
Full Specifications
| Parameter | Value |
|---|---|
| Max Turning Diameter | Ø0.75 in (19 mm) |
| Max Turning Length | 8.07 in (205 mm) |
| Max Spindle Speed | 10,000 rpm |
| Spindle Power Intermittent | 3.7 kW (5 HP) (40% ED) |
| Sub Spindle Speed | 10,000 rpm |
| Sub Spindle Power Intermittent | 3.7 kW (5 HP) (40% ED) |
| Tool Capacity | 29 tools |
| Turret OD | 8 |
| Turret Cross Live Tool | 4 |
| Turret Back Working | 8 |
| Turret End Working Tools | 2 |
| Turret Boring Bar Holder Main Sub | 4 / 4 |
| Rapid Traverse X | 1,378 ipm (35 m/min) |
| Rapid Traverse Y | 1,378 ipm (35 m/min) |
| Rapid Traverse Z | 1,378 ipm (35 m/min) |
| Rapid Traverse X2 Axis | 1,378 ipm (35 m/min) |
| Rapid Traverse Y2 Axis | 1,378 ipm (35 m/min) |
| Rapid Traverse Z2 Axis | 1,378 ipm (35 m/min) |
| Floor Space Required | 48.23 in (1,225 mm) × 88.58 in (2,250 mm) (W × D, MAZATROL SmoothSt) |
| Machine Height | 66.93 in (1,700 mm) |
| Machine Weight | 7,850 lb (3,561 kg) |
Specifications sourced from mazak.com — verified 2026-10-02
Strengths & Limitations
Strengths
- Main and sub spindle both reach 10,000 rpm, each with a 3.7 kW (5 HP) (40% ED) motor
- 29 tools including 4 cross live tools and 2 end working tools, with boring bar holders listed 4 / 4 for main and sub
- 1,378 ipm (35 m/min) rapid traverse on all six listed axes: X, Y, Z, X2, Y2 and Z2
- Takes 48.23 in (1,225 mm) × 88.58 in (2,250 mm) of floor and weighs 7,850 lb (3,561 kg)
- Series features per Mazak: one-piece HDCC base, removable guide bushing adapter and an in-machine Auto Tool Setter
Limitations
- Bar capacity stops at Ø0.75 in (19 mm); the SYNCREX 25/7 takes Ø1 in (25 mm) at the same 7,850 lb (3,561 kg) weight
- 29 tools is the lowest count at this bar size: the SYNCREX 20/8 lists 33 tools and the SYNCREX 20/9 lists 36 tools
- Spindle power is given only as 3.7 kW (5 HP) at 40% ED; the table has no continuous rating
- Maximum turning length is 8.07 in (205 mm), so longer parts are outside the listed range
Best For
Frequently Asked Questions
01
The table lists a maximum turning diameter of Ø0.75 in (19 mm) and a maximum turning length of 8.07 in (205 mm). Mazak's series page groups the model with the Ø20 mm to Ø25 mm machines. For larger stock the SYNCREX 25/7 takes Ø1 in (25 mm) with the same turning length.
02
29 tools. Among them the table lists 4 cross live tools, 2 end working tools and boring bar holders as 4 / 4 for main and sub. The SYNCREX 20/8 lists 33 tools and the SYNCREX 20/9 lists 36 tools, on the same bar size and spindle speed.
03
The main spindle and the sub spindle are each rated 3.7 kW (5 HP) at 40% ED, and each runs to 10,000 rpm. Mazak's table gives no continuous rating for either, so treat the figure as an intermittent rating when planning long cuts in tough material.
04
The machine is 48.23 in (1,225 mm) wide and 88.58 in (2,250 mm) deep with the MAZATROL SmoothSt control, 66.93 in (1,700 mm) high, and weighs 7,850 lb (3,561 kg). The row does not mention a bar feeder, so allow for its length and for room to load bar stock separately.
05
For the SYNCREX series Mazak describes an HDCC machine base made as a solid one-piece casting. Its series page states that the base is 10% more rigid than cast iron, gives 80% less vibration at the cutting point and 30% longer tool life, with less thermal distortion. These are Mazak's statements for the series, not measurements for this model.
Videos
Mazak North America
