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SK-38 Series

SK-38 is a multi-tasking Swiss turning center built for larger diameters and complex parts. It supports Ø38 mm machining with guide bush or Ø42 mm in bushless mode, up to 320 mm turning length per chuck, and up to 9-axis control for simultaneous machining.

  • Up to 9-axis control for simultaneous multi-operation cycles
  • Hybrid guide bush, Ø38 (bush) or Ø42 (bushless)
  • B-axis and Y2 backworking for complex done-in-one parts

Brand:

  • GOODWAY

Overview

SK-38 Series Multi-tasking Swiss Turning Centers

The SK-38 series is a multi-tasking Swiss turning platform designed to handle larger diameters and complex geometries with strong process overlap. With up to 9-axis control, it supports simultaneous machining strategies that improve throughput in production environments.

A key differentiator is the high-rigidity gantry-type tool system structure, designed to bear torque load evenly and increase tool-system stiffness. This supports stable cutting conditions and predictable results when running demanding multi-operation cycles.

The platform combines a hybrid guide bush concept with two operating modes: guide-bush machining for stable support on slender parts, or bushless machining to reduce remnant length and improve bar utilization. SK-38 supports Ø38 mm machining diameter in bush mode, or Ø42 mm in bushless mode.

For complex features, the B-axis live tool holder enables 4-axis simultaneous contour milling, while the Y2 backworking tool holder expands flexibility for rear-end machining and overlapping processes. This helps complete more features in one setup, reducing handling and WIP.

Key Features – SK-38 Series

Hybrid Guide Bush

Run bush or bushless mode to balance support and bar utilization.

Gantry-Type Tool System

High-rigidity structure designed to distribute torque load evenly.

B-axis Contour Milling

B-axis holder supports 4-axis simultaneous contour milling operations.

Y2 Backworking Capability

Y2 backworking expands rear machining and enables process overlap.

Promo Video – GOODWAY SK-38 Multi-tasking Swiss Turning Centers

Specifications SK-38

Category

Item

Unit

Value

CAPACITY

Max. machining diameter (bush)

mm

Ø38

CAPACITY

Max. machining diameter (bushless)

mm

Ø42

CAPACITY

Max. turning length per chuck (bush)

mm

320

CAPACITY

Max. turning length per chuck (bushless)

mm

95

TOOLING SYSTEM

O.D. tools (count)

count

7

TOOLING SYSTEM

O.D. shank size

mm

□16 / 20

TOOLING SYSTEM

I.D. tools (count)

count

10 (5 front + 5 rear)

CROSS LIVE TOOLS

Cross live tools (count)

count

4

CROSS LIVE TOOLS

Max. live tooling speed

rpm

6,000

CROSS LIVE TOOLS

Tooling drive motor

kW

2.2

CROSS LIVE TOOLS

Sleeve size

ER20

AXES

X1/Y1/Z1/X2/Z2 rapids

m/min

36

B-AXIS (BUILT-IN)

Max. live tooling speed

rpm

7,000

B-AXIS (BUILT-IN)

Motor output (cont. / 10 min.)

kW

7.5 / 11

B-AXIS (BUILT-IN)

Min. indexing increment

°

0.001

SUB-SPINDLE (BUILT-IN)

Max. spindle speed

rpm

7,000

SUB-SPINDLE (BUILT-IN)

Motor output (cont. / 10 min.)

kW

3.7 / 5.5

BACKWORKING

Rear-end tools (count)

count

8

BACKWORKING

Y2-axis travel

mm

69

BACKWORKING

Y2-axis rapid

m/min

24

CONTROL

NC controller

FANUC 31i-B Plus

UTILITIES

Coolant tank capacity

L

250

MACHINE

Dimensions (L × W × H)

mm

3,365 × 1,430 × 2,140

MACHINE

Machine weight

kg

4500

Applications

General machining

Mixed prototype and production work across sizes; flexible envelopes and quick changeovers speed setups, reduce handling, and keep output consistent day to day.

Automotive

Tooling and production parts across the supply chain, from fixtures and dies to turned and milled components; repeatable referencing supports surface quality and tight tolerances.

Energy

Pump and valve components, compressor parts, and auxiliary housings; controlled cutting and chip/coolant management help protect tolerances, surface finish, and tool life.

Aeronautics

Precision structural parts, fixtures, and machined assemblies; probing and process control (where available) help keep flatness and bores in tolerance on long cycles.

Defense

Housings, carriers, and structural parts in high-strength alloys; stable machining conditions and verified datums deliver repeatable accuracy under heavy cuts.

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