Hob sharpening machine
ЗЗС 3A662

Fixed price plus VAT

US$4,000

Year of construction

1986

Condition

Used (fully functional)

Location

Русе

Basic data

Machine type:: Hob sharpening machine

Manufacturer:: ЗЗС

Model:: 3A662

Year of construction:: 1986

Condition:: ready for operation (used)

Functionality:: fully functional

Operating hours:: 1,200 h

Price & Location

Fixed price plus VAT

US$4,000

Location:: ulitsa "Nikolaevska" 80, 7001 Ruse, Bulgaria

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Technical details

Dimensions and weight

Overall weight:

3,730 kg

Total length:

2,580 mm

Total width:

1,440 mm

Total height:

1,520 mm

Distance between centers:

280 mm

Distance table to spindle center:

362 mm

Space requirement height:

1,520 mm

Space requirement length:

2,580 mm

Space requirement width:

1,440 mm

Table length:

2,800 mm

Table width:

250 mm

Spindles

Grinding spindle motor power:

3,000 W

Grinding spindle speed:

2,600 rpm

Spindle speed (max.):

2,600 rpm

Spindle speed (min.):

1,500 rpm

Power details

Input voltage:

380 V

Input frequency:

50 Hz

Type of input current:

Processable material / products

Workpiece weight (max.):

200 kg

Workpiece diameter (max.):

235 mm

Workpiece length between centers:

280 mm

Axis specifications

Travel distance X-axis:

2,120 mm

Travel distance Y-axis:

250 mm

Travel distance Z-axis:

150 mm

Feed length X-axis:

2,120 mm

Feed length Y-axis:

250 mm

Feed length Z-axis:

150 mm

Feed rate X-axis:

12 m/min

Further details

Power:

6.5 kW (8.84 HP)

Grinding length:

280 mm

Center height:

115 mm

Center height in crank:

115 mm

Center width:

280 mm

Collet bore:

55 mm

Disc diameter:

250 mm

Grinding diameter:

250 mm

Grinding wheel diameter:

250 mm

Grinding wheel speed:

2,100 rpm

Height adjustment type:

mechanical

Pivoting range:

45 °

Rotational speed (max.):

2,600 rpm

Rotational speed (min.):

1,500 rpm

Tool diameter:

235 mm

Details about the offer

Listing ID:: A20820417

Reference number:: MSHN6-3A662

Update:: 14.10.2026

Description

Hob Sharpening Machine 33C (ZZS) 3A662
(Gear hobbing cutter grinding machine)

The 33C (ZZS) model 3A662 is a specialized hob sharpening machine designed for precise sharpening and regrinding of gear hobs and gear cutting tools. Manufactured by 33C (Soviet Union), this machine is intended for industrial tool rooms and gear manufacturing facilities requiring reliable accuracy and repeatable grinding quality.

The machine is suitable for sharpening hobs with a maximum diameter of 235 mm and a maximum length of 280 mm. It supports hobs with 4 to 30 flutes and allows grinding of straight and helical flutes with a helix angle range from 0° to 45°, covering a wide range of gear cutting applications.

The grinding spindle is designed for grinding wheels with diameters from 200 to 250 mm. Spindle speed is adjusted via step pulleys and offers four speed stages: 1500 / 1900 / 2100 / 2600 rpm, ensuring flexibility for different tool sizes and materials.

The machine is equipped with a dividing mechanism and supplied with a complete set of change gears, allowing accurate indexing during the sharpening process. A hydraulically driven table provides smooth longitudinal movement and stable grinding conditions.

With overall dimensions of approximately 2580 × 1440 × 1520 mm and a machine weight of about 3730 kg, the 3A662 features a rigid and robust construction, providing excellent vibration damping and long-term operational stability. The machine operates on three-phase AC power (380 V / 50 Hz) and is supplied with original factory documentation.

Key Features:
*Specialized hob sharpening machine
*Max. hob diameter: 235 mm
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*Max. hob length: 280 mm
*Number of flutes: 4 – 30
*Helix angle range: 0° – 45°
*Grinding wheel diameter: 200 – 250 mm
*Grinding spindle speeds: 1500 / 1900 / 2100 / 2600 rpm
*Hydraulically driven table
*Dividing mechanism with full set of change gears
*Rigid industrial construction (approx. 3730 kg)
*Original technical passport and manual (Russian)

Typical Applications:

*Sharpening and regrinding of gear hobs
*Maintenance of gear cutting tools
*Tool room operations in gear manufacturing
*Repair and refurbishment of worn hobs
*Small- and medium-series gear production support

Documents

20820417-01.pdf
20820417-02.pdf

Seller

Last online: A week ago

Registered since: 2025

9 listings online

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