Stredový sústruh

KERN D 20 A x 1000

Lead and feed screw lathe
KERN type D 20 A x 1000
Year of manufacture: 1987
HEIDENHAIN 2-axis digital readout

Technical Data:

Capacity
• Center height: 200 mm
• Swing over bed: approx. 400 mm
• Swing over cross slide: approx. 200–250 mm
• Distance between centers: 1000 mm

Spindle / Drive
• Spindle bore: typ. 52 mm
• Spindle mount: Camlock
• Speed range: approx. 12–1200 rpm
• Main motor: 5–11 kW typical

Feeds & Threads
• Longitudinal and cross feed via feed gearbox
• Metric and imperial thread cutting
• Both leadscrew and feed shaft available
• Automatic feed with safety clutches

Slide & Guides
• Heavy-duty cross and top slide
• Top slide swivels ±45°
• Centralized lubrication for guideways
• Gib strips adjustable

Tailstock
• Quill taper: MT4 or MT5
• Quill traverse via handwheel
• Can be moved along the bed
• Partially with fine adjustment

Bed & Construction
• Heavily ribbed cast bed, flat or prism guideway design
• One-piece bed, high rigidity
• Precision ground guideways

Coolant & Electrical
• Coolant pump standard or optional
• Electrical system in accordance with the machine guidelines of the era, often retrofitted
• Rotation direction selector switch, emergency stop, main switch

Dimensions & Weight
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• Length: approx. 2.2–2.6 m
• Width: approx. 1.0 m
• Height: approx. 1.4–1.6 m
• Weight: approx. 1500–2000 kg

Description
The KERN D 20 (D/DS series) is a robust, universal lathe focusing on conventional turning, suitable for both single-part and small-batch production. It features a solidly built bed body, fully enclosed cast bed with box base, and a wide range of common accessories (Multifix tool holder, faceplate, coolant system, centralized lubrication).

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