8/14/2019 Comparisons of Selected Valve Grinding Machines written by.docx

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Comparisons of Selected Valve Grinding Machines written by: Boiyee

Valve grinding machines are automobile machines that are used to reduce or resize

valves into desired sizes. They come in different types and specifications to meet

specific requirements. There are different types of valve machines.

A comparison of some of the machines indicating their features and specifications

include:

1. Valve refacer machine model No. MI-555

This machine has the following specification and features;

The machine is built into precision with high quality of

control measures and is easy to handle.

Its slides have set-in springs that helps achieve maximum

rigidity thus can work smoothly with efficiency of up to

100%.

Its centrifugal pump that constantly provides water to

ensure better finish.

It has a valve stem capacity of 6mm to 14mm and valve

head capacity of up to 90mm.

It has a 127mm by 12.5mm by 15.5mm grinding wheel and

a 101.5mm by 19mm by 15.5mm butt grinding wheel.

Valve angle has adjustment range of from 00 to 900.

It has a grinding wheel spindle of 4000rpm and a work head spindle of 175rpm.

A power consumption capacity of 0.5hp and 220 volts.

2. Valve refacer, THL brand, model 3M9390A

This valve refacer and grinding machine is designed

specially for agricultural machinery repairs and also

automobile repairs. It has the following specifications

and features;

It is light and compact in weight. It also has simple

construction with easy operation.

It has a maximum grinding diameter of 90mm and a

grinding valve diameter of 25mm to 90mm. it also hasa valve axle diameter of 4mm to 16mm.

Its grinding angle range from 300 to 600 and a

maximum grinding depth of 0.025mm.

Valve Refacer Machine Mi-555

Valve refacer, THL brand, model 3M939

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It has a wheel speed of up to 4500rpm and spindle speed of 180rpm to 300rpm.

It has a work head slide of 110mm (longitudinal)

and 90mm (cross).

Its dimensions are 630mm by 410mm by 500mm.

3. Kizi K1200B valve grinding machine

This flat surface, polishing and lapping machine has

the following specifications and features;

A maximum grinding diameter of 500mm andgrinding length of 500mm.

A plate diameter of 1200mm and rotation speed

of 500rpm.

A power consumption of 10kw and 380v.

A dimension of 2500mm by 2100mm by 130mm.From the above features and specifications, it is clear that different types and models

have different capacities. They vary in wheel and spindle speeds, grinding angle and

depth as well as sizes. This highly contributes to choice of which a person will go for

depending on his or her needs and requirements. When it comes to the selection and

buying of these valves, it is important to select the most appropriate one so as to get

the best results. As usual. Going for the ideal and genuine dealers is a good decision.

Kizi K1200B valve grinding machine