RSV-1 Portable Valve Seat Grinder - 11,000 RPM Motor Engine Rebuild
RSV-1
RSV-1 Portable Valve Seat Grinder - 11,000 RPM Motor Engine Rebuild
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Frequently Asked Questions
MANUFACTURER
Manufacturer
🇧🇷 CHINELATTO
Model
RSV-1
Category
Valve Seat Grinder Machine
Catalog
PT · ES · EN
Description
RSV-1 portable grinder reconditions valve seats on cylinder heads with precision. 11,000 RPM motor, stones 1" to 3" diameter, 11/16" thread. Includes 10 tempered pilot shafts for different diameters
Technical Specifications
CAPACITY
| Capacity to use wheels - min. ~ max. | Ø 1" ~ Ø 3" |
| Rotations - spinning speed of the motor shaft | 11.000 rpm |
STANDARD ACCESSORIES
- 01 Metal Cage (Length x Width x Height)
- 01 Portable grinding tool - 220 volts - 60 hz - 1 cv - 3.45A - 11,000 rpm
- 01 Wheel support thread 11/16"
- 01 Grinding Wheel Ø 1.1/2"
- 01 Grinding Wheel Ø 1.5/8"
- 01 Device divisor of degrees of wheels
- 10 Template Axis Guides - diameter in mm:
- Ø 6.00 - Ø 7.00 - Ø 7.95 - Ø 8.00 -
- Ø 8.70 - Ø 9.00 - Ø 9.50 - Ø 10.00 -
- Ø 11.00 - Ø 12.00
- 01 Template dressing axis
- 01 Diamond
OPTIONAL ACCESSORIES
- Extra diamond
- Extra template Axis Guides
- Extra Grinding Wheel
- Technicals specifications subjected to change.
Specifications subject to change without notice. Some capacities listed may require optional accessories. Confirm exact dimensions during quotation.
Frequently Asked Questions
▸ What is a portable valve seat grinder used for?
A portable valve seat grinder is used for reconditioning valve seats in engine cylinder heads. This machine allows correction of irregularities, scratches and wear on seats, ensuring perfect sealing between valve and seat. The RSV-1 model operates with an 11,000 rpm motor and accepts stones from Ø 1" to Ø 3", being ideal for shops working with different engine types. It includes 10 tempered pilot shafts for various valve guide diameters.
▸ What is the speed and capacity of the RSV-1 grinder?
The RSV-1 grinder has an 11,000 rpm motor with 0.75 kW power, 220V/60Hz supply. Its capacity allows using stones from minimum 1" to maximum 3" diameter, with 11/16" stone holder thread. The equipment is portable and comes in a metal case measuring 12.6 x 10.2 x 9.1 inches (32 x 26 x 23 cm). It includes 2 grinding wheels (Ø 1.1/2" and Ø 1.5/8"), degree divider device and 10 tempered pilot shafts from Ø 0.24 inches (6mm) to Ø 0.47 inches (12mm).
▸ What types of engines does the valve grinder work on?
The RSV-1 valve grinder works on practically all types of automotive engines, from passenger cars to trucks and tractors. The 10 included pilot shafts cover guide diameters from Ø 0.24 inches (6mm) to Ø 0.47 inches (12mm), serving most domestic and imported engines. The 1" to 3" stone capacity allows working with valve seats of various sizes. It's compatible with gasoline, alcohol, diesel and flex-fuel engines.
▸ What's the difference between manual and automatic seat grinders?
Manual seat grinders, like the RSV-1, offer greater operator control and versatility for different jobs. The mechanic manually controls pressure, cutting speed and finish. Automatic ones are faster in serial production but less flexible. Manual grinders are more economical, take less space and allow correcting specific problems of each seat. For engine shops, the portability and manual precision of the RSV-1 are advantageous.
▸ How to use a valve seat grinding machine?
To use the RSV-1 machine, first choose the correct pilot shaft according to valve guide diameter and install the appropriate stone. Insert the pilot shaft into the guide, position the machine and start the 11,000 rpm motor. Make smooth circular movements, controlling pressure to avoid removing excessive material. Use the degree divider device for uniform cuts. Dress the stone with the diamond when necessary. Check the seat finish and concentricity.
▸ How long does a valve grinding stone last?
Grinding stone durability depends on usage and type of material worked. In normal shop use, one stone can grind hundreds of seats before needing replacement. The RSV-1 includes a diamond dresser device to revive the stone, extending its life. Extra stones are available as optional accessories. Proper maintenance of the 11,000 rpm motor and regular cleaning ensure greater equipment durability.
