About Stanko 3B642 Universal Tool Cutter Grinder
Make - Stanko (Russia)
Model - 3B642
Table Size - 140 mm x 900 mm
Center Height - 130 mm
Max. Swing Diameter of Job - 255 mm
Max. Job Length between Work-Head & Center - 500 mm
Longitudinal Travel of Table - 450 mm
Cross Travel of Table - 230 mm
Vertical Travel of Grinding Spindle - 220 mm
Max. Grinding Wheel Size - 200 mm
Wheel Speeds - 2440 rpm to 6300 rpm
Least Count of Cross Travel - 2.5 Microns (0.0025 mm)
Least Count of Vertical Travel - 5 Microns (0.005 mm)
- Suitable for Wet Grinding as well as Dry Grinding.
- Equipped with Cylindrical Grinding Attachment.
- Complete with Triple Swivel Work-Head, Center-to-Center Attachment etc.
- Complete with spare wheels, wheel dresser, & many other accessories.
- Complete with Coolant Tank and Pump.
- Machine is in excellent working condition.
Video of The Machine -
https://youtu.be/Xkeh8FTN5xU
High Precision Grind & VersatilityDesigned for professional toolrooms and workshops, the Stanko 3B642 provides multi-directional grinding capabilities with a swiveling headstock and tilting worktable. Its solid cast iron frame helps achieve exceptional accuracy, supporting diverse cutting applications from cylindrical to surface grinding. The manual hand wheel and lever operation give the user fine control over each process.
Integrated Coolant System for EfficiencyFeaturing a built-in coolant pump, this grinder ensures optimal lubrication and heat dissipation during operation, reducing tool wear and enhancing surface finish. The coolant system is housed within the machine for convenience and streamlined workflow, protecting both the tool and operator.
Heavy Duty Construction for LongevityCrafted from high-grade cast iron and steel components (HRC 50-60 hardness), the 3B642 is built to endure continuous use in industrial environments. Its rigid base reduces vibration and increases grinding precision. The compact rectangular body with a rotating table ensures stability and ergonomic handling, making it a reliable asset for years of service.
FAQ's of Stanko 3B642 Universal Tool Cutter Grinder:
Q: How does the Stanko 3B642 Universal Tool Cutter Grinder operate?
A: The Stanko 3B642 operates manually through hand wheel and lever controls, allowing precise adjustment of the table and headstock positions. The rotating work table and tilting head enable grinding at various angles and facilitate versatile tool sharpening.
Q: What types of cutting tools can be processed with this grinder?
A: This machine is suited for grinding a broad spectrum of tools, including milling cutters, drill bits, tapered cutters, and reamers. It handles universal tools and supports external, internal, and surface grinding operations.
Q: When is it beneficial to use the integrated coolant system?
A: The coolant system should be used during extended grinding to prevent overheating, maintain tool hardness, and achieve a finer surface finish. It greatly reduces friction, prolonging both grinding wheel and tool life.
Q: Where can the Stanko 3B642 be installed for optimal performance?
A: It is ideally situated in toolrooms, precision engineering workshops, and manufacturing plants where space accommodates its overall length (~1200 mm) and approximate weight (1200 kg). A stable and flat surface is essential for installation.
Q: What is the process for grinding tools on this machine?
A: First, securely mount the tool between centers and adjust the work table and headstock as required. Select the appropriate grinding wheel (up to 200 x 20 x 32 mm in size), set the spindle speed to 2850 RPM, activate the coolant system, and begin manual operation by guiding the tool across the grinding surface.
Q: How does using this machine benefit tool maintenance and production quality?
A: This universal grinder delivers high accuracy (0.02 mm) and versatility, ensuring sharp, precisely-refined cutting edges. Improved tool quality leads to better machining accuracy, reduced tool replacement costs, and higher production efficiency.