Precision Machine Tool

PREMATO 300 mm Cylindrical Grinding Machine
The PREMATO 300 mm Cylindrical Grinding Machine is designed for high-precision external grinding applications up to 300 mm length. Built with a rigid structure and precision-engineered spindle, it delivers excellent accuracy, superior surface finish, and consistent performance, making it ideal for tool rooms and production environments.

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This machine is specially designed for "External & internal grinding applications." 

General technical specifications:

• Centre height: 130 mm (spm available on customer's demand)
• Swing over table: 259 mm
• Maximum grinding length: 500 mm
• Maximum table traverse: 500 mm

Table :

• Max. Swivel of table: ± 6° / 7° 
• Speed (infinitely variable, hydraulic traverse): 0.1 – 0.5 m/min
• Guideways coating: turcite-b coated on both movable slides to prevent stick-slip motion

Grinding wheel :

• Diameter: 350 mm
• Width: 40 mm
• Bore: 127 mm
• Wheel speed: 1900 – 2100 rpm

Grinding wheel head:

Bearings: wheel head spindle made of alloy steel, heat-treated, case carburized, ground, lapped, and fitted with clearance-adjustable white metal bush bearings, ensuring high accuracy and excellent surface finish.

Rapid approach forward/retraction: 25 to 50 mm adjustable (optional if required)

Manual in-feed resolution: 0.005 mm on radius (0.001 mm micro-feed, optional - if required)

Work head:

Bearings: heavy-duty work head with high-precision, clearance-adjustable bronze taper bush bearings for higher load capacity and accuracy (as per is specification).

• No. Of speeds: infinitely variable
• Speed range (by 3-phase vfd): 20 – 350 rpm
• Swivel: ± 90°
• Spindle nose taper: mt - 3 / 4 
• Tail stock (manual / hydraulic lever operated):
• Centre: mt - 3 / 4
• Quill travel: 25 mm
• Maximum job weight between centres: 30 kg (approx.)
• Motors power
• Wheel head: 3 / 5 hp
• Work head: 1 / 1.5 hp
• Hydraulic power pack: 1 hp (for hydraulic machine)
• Coolant pump: 0.1 hp
• Internal grinding attachment (optional, if required)
• Spindle size: ø60 / 80 × 250 mm
• Spindle speed: 18,000 / 20,000 rpm
• Minimum bore & length: ø10 mm × 40 mm
• Maximum bore & length: ø80 mm × 80 mm
• Motor power: 1 / 1.5 hp

Special features:

• Fitted with p4 grade matched pair antifriction bearings (two pairs)
• Dynamic balanced pulley
• Imported endless flat belt without joint
• Complete with all safety guards
• Two quills provided for different bore sizes

Note: all the above specifications are subject to modification and change without prior notice, as part of our continuous product improvement policy.

The Mechanical Cylindrical Grinding Machine manufactured by Precision Machine Tools is a reliable and cost-effective solution for precision grinding of cylindrical components. Designed with a sturdy mechanical system, this machine ensures smooth operation, high accuracy, and consistent grinding performance across various industrial applications.

Built with a robust structure and precision-engineered components, the Mechanical Cylindrical Grinding Machine delivers excellent stability and minimal vibration during grinding operations. It is ideal for grinding external cylindrical surfaces, tapers, and shoulders with superior surface finish and dimensional accuracy. The machine is widely used for machining shafts, rollers, spindles, bushings, and other cylindrical parts in engineering workshops and manufacturing units.

This grinding machine is easy to operate and maintain, making it suitable for tool rooms, small and medium-scale industries, and general engineering applications. Its durable construction and efficient mechanical drive system ensure long service life and dependable performance in daily production processes.

With a focus on precision and durability, Precision Machine Tools provides dependable grinding solutions for modern industries. The Mechanical Cylindrical Grinding Machine is an ideal choice for businesses seeking a simple, efficient, and high-quality cylindrical grinding solution.

The Cylindrical Grinding Machine with ID Attachment offered by Precision Machine Tools is a versatile and high-precision solution designed for both external and internal grinding operations. This advanced grinding machine is engineered to provide superior accuracy, smooth finishing, and consistent performance for a wide range of industrial components.

Equipped with a specialized ID (Internal Diameter) attachment, the machine allows users to perform internal bore grinding along with external cylindrical grinding in a single setup. This dual capability improves productivity, reduces setup time, and enhances machining efficiency. The robust construction and precision spindle ensure minimal vibration and excellent dimensional accuracy, making it suitable for grinding shafts, bushings, sleeves, bearings, and other precision parts.

Manufactured with high-quality components and advanced engineering, the cylindrical grinding machine ensures long operational life and stable performance even in demanding industrial environments. It is widely used in automotive, engineering workshops, tool rooms, and manufacturing industries where precision grinding is essential.

The machine is designed with user-friendly controls, high spindle speed, and precise wheel movement, enabling operators to achieve high-quality surface finishes and tight tolerances. With reliable performance and efficient grinding capability, the Cylindrical Grinding Machine with ID Attachment from Precision Machine Tools is an ideal choice for industries looking for accurate and efficient grinding solutions.