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Seny D 75 B

SENY D-75-B – Hydraulic Thread Rolling Machine – 220 kN

For sale is a fully functional hydraulic thread rolling machine from the Spanish manufacturer SENY, model D-75-B, with a maximum rolling force of 220 kN.

Due to operational changes, the machine has been taken out of service and is no longer in productive use. However, it is still operational and can be inspected and demonstrated under power after prior appointment.

The machine is designed for chip-free cold forming of external threads, as well as for knurling and profile rolling operations.

The thread rolling process enables the production of high-strength threads with very good surface quality, without removing material.

Technical data

General information
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Manufacturer: SENY
Country of manufacture: Spain
Type: D-75-B
Factory number: 327
Machine type: Hydraulic thread rolling machine
Year of manufacture: Unknown
Operating voltage: 380 V three-phase

Rolling capacity and machining range

Maximum rolling force: 220 kN (approx. 22.4 t)
Workpiece diameter: 3–70 mm
Maximum thread pitch: 6 mm
Maximum knurling pitch: 2.25 mm
Maximum rolling width: 160 mm

Rolling spindles

Rolling diameter: 133–170 mm
Rolling spindle diameter: 54 mm (standard version)
Rolling spindle spacing: 135–230 mm
Rolling spindle speeds: 24 / 30 / 38 / 45 / 62 / 72 / 90 / 114 rpm

Hydraulics and feed

Hydraulic roller feed
Maximum working stroke: 15 mm
Feed speed: 0.5–6 mm/s
Adjustable rolling time: 0.1–100 seconds
Adjustable pause time: 0.1–100 seconds
Hydraulic oil tank: approx. 130 liters

Drive power

Main motor: 5.5 kW
Total electrical power consumption: approx. 8.6 kW

Weight

Machine weight: approx. 2,100 kg
Condition and scope of supply

Used industrial machine
Fully functional
Taken out of service due to operational changes
Machine is still operational
Inspection and demonstration under power possible after prior appointment
No thread rolling tools or rolling sets included in the scope of supply
Possible applications

The machine is particularly suitable for the production of external threads on screws, bolts, threaded rods and other cylindrical workpieces.

In addition, knurling and profile rolling operations are possible with the appropriate tools.

The robust machine design and hydraulic feed enable use in both single-piece production and series production.

Inspection and further information

The machine can be inspected and demonstrated under power after prior appointment.

Further information and pictures are available on request.

Note: The technical data is based in part on manufacturer and comparative documentation of the SENY D-75-B series. Deviations due to the year of manufacture or design may occur.

All information without guarantee. Subject to prior sale.

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