Surface Plate Grades and it's types - GaugeHow
Surface Plate Grades and it's types - GaugeHow
Surface Metrology specify the function of the surface. The important parameter is surface roughness.In manufacturing industries, a surface must be within certain limit of roughness.
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Video of Surface Plate
Therefore, measuring surface roughness is vital to quality control of machining a work-piece.
By Surface Measurement, we can predict the performance of the component and control the manufacturing process.
Basic Terminology in Surface Measurement
Flatness
Flatness is define by the distance between peak and depth point of surface plate.
Rigidity
It is the property of a solid body to resist deformation.
Leveling
It is the process of Level the table by it’s support system.
Types of Surface Plate
According to Material used, There are three types of Surface Plate
- Granite Surface Plate(IS ,ISO -2)
- Cast Iron Surface Plate(IS ,ISO -1 )
- Glass Plate(IS )
Granite Surface Plate
Granite surface plate have more rigidity for the same depth with the absence of corrosion. They provide a high modulus of rigidity and are moisture free.
Metallic objects like manufactured components/jobs can easily slide on their surface. The usual range available from 400*250*50 mm to **250 mm.
Grading System
Cast Iron Surface Plate
Cast-Iron surface plates used after rough machining is done followed by seasoning for suitable period. Then, heat treatment for relive the internal stress.
The accuracy of this surface plate is +/- 0.002 mm to +/-0.005 mm for the surface plate diagonal of 150 mm.
CI surface plate available in 2 grades,
Grade-1 (Maximum flatness is 5 microns for 300mm*300 mm plate)
Grade-2 (Maximum flatness is 20 microns for 300mm*300 mm plate)
Glass Surface Plate
Glass surface plate commercially available. These are comparatively light in weight and free from burr and corrosion.
Accuracy varies in the range 0.004 to 0.008 mm. They are available in size of 150mmx150mm to 600mm*800mm.
Measurement of Surface roughness
Inspection and assessment of surface roughness of machined work-piece can be done by different measurement techniques.
- Pocket Surf
- Electronic Level
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Inspection Surface Plates - Measurement Tools & Equipment | MISUMI
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Rectangular Surface Plate
Nabeya
In order to remedy structural weaknesses of the comb-shaped straight edge caused by aging and temperature changes, the cross section has a rectangular I-shape and both sides are finished parallel.
JIS Type Precision Surface Plate (JIS Class 1)
Nabeya
Both the accuracy and rigidity are equivalent to JIS standard (JIS B). Because there is little linking (adsorption), this product allows smooth handling of precision machines. Has excellent additional machining potential to allow scratches to be repaired easily. Level adjustment of the surface plate alone can be done with the included adjustment screws. Large surface plate level can be adjusted with a leveling block.
Stone Surface Plate Angle Block
Nabeya
A dedicated stand for a stone surface plate. Misalignment and falling off of the surface plate are minimized by the use of the built-in level jack. Adjustment of the surface plate height (C dimension) can be done with the foot jack. Fine adjustment of the surface plate level is possible using the built-in level jack.
Box Type Surface Plate (Surface Finish Class A)
Nabeya
[Features]
· Hexagonal surface processing has been applied.
· Can be used for a wide range of operations, from inspection and measurement to machining and assembly.
· Rib structure product.
- Volume Discount is available
JIS Type Precision Surface Plate (JIS Class 0)
Nabeya
Both the accuracy and rigidity are equivalent to JIS standard (JIS B). Because there is little linking (adsorption), this product allows smooth handling of precision machines. Has excellent additional machining potential to allow scratches to be repaired easily. Level adjustment of the surface plate alone can be done with the included adjustment screws. Large surface plate level can be adjusted with a leveling block.
Stone Surface Plate Angle Block Set (JIS Class 1)
Nabeya
[Features]
· A dedicated stand for a stone surface plate.
· Misalignment and falling off of the surface plate are minimized by the use of the built-in level jack.
· Adjustment of the surface plate height (C dimension) can be done with the foot jack.
· Fine adjustment of the surface plate level is possible using the built-in level jack.
· An affordable type that comes with precision stone surface plate and dedicated angle stand.
Inspection Surface Plate Accessories - V Block, Precision, Hard Steel, Class A
OBISHI KEIKI
[Features]
· Manufactured as 2 pieces to 1 set, with the V grooves and bottom of the 2 pieces running in parallel.
· Very useful for inspection of circular objects and others, as well as use as an auxiliary block (jig).
· All sizes are quenched products with a 90-degree V groove
V-Blocks and Clamps - Large Capacity Type, Series 578
STARRETT
Want more information on Precision Granite Surface Plate? Feel free to contact us.
V-Blocks and Clamps for Larger Capacity Work — Series 578
・V-Blocks come in a variety of styles to suit the numerous requirements of machinists
・They are for general shop use and layout work, as well as for holding stock in place during light-duty milling, drilling, and grinding operations
・All clamp screws have a hole to help secure the workpiece
This is a series representative image
Granite Precision Stone Plate (JIS 0 Class)
Nabeya
Both the accuracy and rigidity are equivalent to JIS standard (JIS.B). Resistant to scratches due to the excellent abrasion resistance. Corrosion is less likely to occur due to the excellent corrosion resistance. There is a receptacle for the level jack on the back of the surface plate.
Stone Surface Plate Angle Block Set (JIS Class 0)
Nabeya
[Features]
· A dedicated stand for a stone surface plate.
· Misalignment and falling off of the surface plate are minimized by the use of the built-in level jack.
· Adjustment of the surface plate height (C dimension) can be done with the foot jack.
· Fine adjustment of the surface plate level is possible using the built-in level jack.
· An affordable type that comes with precision stone surface plate and dedicated angle stand.
Inspection Surface Plates - Precision Stone, Granite, JIS Class 1 Compliant
Nabeya
Both the accuracy and rigidity are equivalent to JIS standard (JIS.B). Resistant to scratches due to the excellent abrasion resistance. Corrosion is less likely to occur due to the excellent corrosion resistance. There is a receptacle for the level jack on the back of the surface plate.
V-Blocks and Clamps - Round or Square Work Type, Series 568
STARRETT
V-Blocks and Clamps for Round or Square Work — Series 568
・V-Blocks come in a variety of styles to suit the numerous requirements of machinists
・They are for general shop use and layout work, as well as for holding stock in place during light-duty milling, drilling, and grinding operations
・All clamp screws have a hole to help secure the workpiece
This is a series representative image of part number 568A
Inspection Surface Plates - Box Type, Cast Iron
UNI SEIKI
Features
· Can be used as a scribing stand, measurement stand, etc.
· Scraped finish for a more precise flatness.
· Can be repaired.
Applications
· The mechanical finish is for general work (scribing work).
V-Blocks - Dual-Vee Magnetic Type, Series 566
STARRETT
Dual-Vee Magnetic V-Block — Series 566
・This Fixturing V-Block suits the numerous requirements of machinists
・Used for general shop use and layout work, as well as for holding stock in place during light-duty milling, drilling, and grinding operations
This is a series representative image
V-Block Accessories - Clamp, Series 567
STARRETT
V-Block Clamp — Series 567
・Clamps do not project over the width of the block, permitting it to be used on the base, ends or sides
This is a series representative image
Inspection Surface Plate Accessories - V Block, with Hard Steel Clamp
OBISHI KEIKI
V-block with V-grooves in 2 places for installing clamps. Comes with a clamp for fixing the workpiece. (2 pcs) Extremely convenient for inspection of round objects and others and as an auxiliary block (square stand).
Box Type Surface Plate (Surface Finish Class B)
Nabeya
Hexagonal surface processing has been applied. Can be used for a wide range of operations, from inspection and measurement to machining and assembly.
Inspection Surface Plate Accessories - V Block, V-Grooved Square Mold
UNI SEIKI
Features
· Can be used for applications such as 45° line scribing or for jigs, etc., by utilizing parallel lines, perpendicular lines and V grooves.
Applications
· For precision scribing of round bar etc.
Inspection Surface Plate Accessories - V Block, Cast Iron
RIKEN KEISOKUKI
Type A has 3 V-grooves on the usage surface and Type B has 1. Uses a V-groove to measure and inspect round objects, or for use as a square stand. 2-piece set.
Inspection Surface Plate Accessories - V Block, with Magnet
NIIGATA SEIKI
Used as a rod-fixing jig. Use the lever to switch between having the magnet ON or OFF.
Inspection Surface Plates - Precision, Stone, 102 Series
AS ONE
[Features]
・ Since it is a natural stone that does not rust, it can be used in places such as chemical plants where chemicals are used.
V-Blocks and Clamps - Complete Set, Series 567
STARRETT
V-Blocks and Clamps — Series 567
・V-Blocks come in a variety of styles to suit the numerous requirements of machinists
・Used for general shop use and layout work, as well as for holding stock in place during light-duty milling, drilling, and grinding operations
・All clamp screws have a hole to help secure the workpiece
This is a series representative image
Inspection Surface Plate Accessories - Digital Load Meter, Handy
Nabeya
A single clamping chuck that can be used for machining vise, hydraulic clamp, and chuck. The sensor and the digital display are one unit and do not interfere with measurement. Small, lightweight and battery-driven so it can be freely carried for immediate use. The sensor and display part can be rotated by 90 degrees to adjust the display direction.