Delivered project · Case study

Dual-Servo M3 Tapping for Electronics Housings

Four M3 × 0.5 holes tapped simultaneously in a 2.0 mm stamped steel housing. The operator pushes each part into position; the machine taps the holes and pneumatically ejects the finished part into a collection chute.

  • Four holes together
  • Dual-servo control
  • Manual feed · automatic discharge
Complete delivered dual-servo machine with four-spindle tapping head and housing fixture.View full-size image
Delivered four-spindle M3 tapping configuration with a dedicated part-handling fixture.

The application

Small threads in a 2.0 mm stamped steel housing

The component is a housing for electronics accessories. This project processes four M3 × 0.5 holes in one simultaneous tapping operation.

Stamped steel electronics housings showing the four-hole layout.View full-size image

Housing and four-hole layout

The 2.0 mm stamped steel housing is positioned for four holes to be tapped together.

Close detail of the stamped steel electronics housing and its small threaded holes.View full-size image

Part and thread detail

Thread specification for this delivered application: M3 × 0.5.

Increase processing speed

Tap four holes together and simplify handling between parts.

Reduce manual retrieval

Use pneumatic discharge to transfer the finished part into the collection chute.

Improve thread quality

Use servo-controlled spindle rotation and feed for the tapping operation.

These were the project objectives. No measured before-and-after production or thread-quality results are stated here.

Process route

Manual feeding, automatic tapping and discharge

The operator feeds every housing individually. Once the part reaches its locating position, no additional fixing operation is required.

  1. Feed the housing

    The operator pushes one housing to the fixture’s locating position.

  2. Locate the part

    The part-specific fixture positions the housing for the four-spindle head, without an extra manual fixing step.

  3. Tap four M3 holes

    The dual-servo system controls spindle rotation and feed as the four holes are tapped together.

  4. Eject and collect

    The pneumatic mechanism automatically pushes the finished housing into the collection chute.

Project configuration

Separate servos for spindle rotation and feed

A 1.5 kW spindle servo and a 0.75 kW feed servo form the dual-servo system. The D120 mm four-spindle CT5 head matches the four-hole M3 layout of this housing.

Servo-driven guide-rail feed, PLC control and a touchscreen support the tapping sequence and operator interaction.

Delivered machine and application specifications
WorkpieceStamped steel housing for electronics accessories; 2.0 mm sheet thickness
Project thread layoutFour M3 × 0.5 holes tapped simultaneously
Multi-spindle headD120 mm four-spindle CT5 head
Spindle servo1.5 kW
Feed servo0.75 kW; servo-driven guide-rail feed
Feed stroke120 mm
Column height adjustment0–350 mm
ControlsServo control, PLC and touchscreen
Part handlingManual feed to the locating position; automatic pneumatic discharge
Machine dimensionsApproximately 1100 × 1200 × 1950 mm
Machine weightApproximately 160 kg

Cycle planning

Separate tapping time from the complete part cycle

Loading, positioning and discharge must be included when planning production output.

Design tapping time

1–3 seconds for the tapping operation, depending on the hole count and thread diameter of the configuration. This range excludes loading and unloading and is not a measured complete cycle for this housing.

Complete part cycle

Approximately 5 seconds per part, estimated from the supplied video. Two consecutive complete cycle intervals span approximately 10 seconds. Timing between matching head-return positions includes the intervening manual feed, tapping and automatic discharge sequence. This is a short video sample, not a sustained production-output test.

Equipment details

Inspect the drives, fixture and discharge arrangement

Photographs keep their full frame. Open any image at full size for a closer view.

Operation videos

See the part-handling sequence and tapping detail

Play either view to inspect the delivered machine in operation.

Manual feed and automatic discharge

The operator pushes the housing into position. The machine taps four holes and pneumatically ejects the finished part into the collection chute.

Four-spindle tapping close-up

A closer view of the fixture and simultaneous four-hole tapping operation.

Plan your application

Need several small threads tapped in one operation?

A drawing is useful, but clear part photos and a description are enough to start the conversation.

Discuss Your Part

Useful details to share

  • Part drawing or clear housing photos
  • Material and sheet thickness
  • Thread size, hole count and hole spacing
  • Target cycle and preferred part-handling method

The selected machine or solution will be included in your inquiry.

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