Wotan SN 212/5R Internal Grinding Machine - Image 1
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Wotan SN 212/5R Internal Grinding Machine

Manufacturer
Wotan
Model
SN 212/5R
Type
Internal Grinding Machine
Year
1971
Category
Metal processing machines
Sub-category
Grinding machines
Price: Upon request

Specifications

Overview

Wotan internal roll grinding machine

Technical Specifications

Workpiece diameter
1200mm
Max outside diameter
1000mm
Max bore diameter
900mm
Travel X/Z
370mm/800mm
Swiveling
15°
Table travel
500mm
Grinding depth
250mm
Speed
220rpm

Weight & Dimensions

Machine dimensions X/Y/Z
approx. 5000mm/3000mm/2200mm
Weight
approx. 8500kg

Documentation

Documentation available

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AI Description

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Capabilities

The Wotan SN 212/5R is a precision internal grinding machine designed for finishing cylindrical bores and inner surfaces on large workpieces up to 1200mm in diameter. With a maximum bore diameter of 900mm and grinding depth of 250mm, it handles demanding finishing operations that require tight tolerances and smooth surface finishes. The machine's 15° swiveling capability and adjustable table travel provide flexibility for various bore geometries and complex internal profiles.

Industries & Uses

This equipment serves automotive, hydraulic cylinder, bearing, and heavy machinery manufacturers who need precision-finished internal surfaces. It's also valuable for job shops and contract manufacturers offering custom grinding services. Businesses requiring consistent bore quality for critical components—such as engine cylinders, pump bodies, or actuators—rely on machines like this to meet strict dimensional and surface specifications.

What to Check When Buying

When evaluating this 1971 model, prioritize inspecting the spindle bearings for wear or play, as these are critical to grinding accuracy. Request documentation of any recent spindle rebuilds or bearing replacements. Check the grinding wheel condition and ask about the machine's grinding fluid maintenance history. Examine the table and slideways for wear patterns, and verify that the machine holds consistent tolerances by reviewing any available test cuts or calibration records. Given its age, confirm that all electrical and hydraulic systems have been recently serviced.

This description is AI-generated and is intended as a general guide only. As with all AI-generated content, it may contain inaccuracies. Please verify all details directly with the seller before making a purchasing decision.

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