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Granite plates are manufactured according to the standards of developed countries; the flatness toler ance is in accordance with granite surface plate standard of GB/T20428-2006 and the Verification Regulation of plates JJG117-2005.
Measuring Temperature 20±2℃
Grade 000: 1x(1+d/1000)
Grade 00: 2x(1+d/1000)
Grade 0: 4x(1+d/1000)
Grade 1: 8x(1+d/1000)
(d for diagonal length, mm)
1. Granite parallels blocks CDGPB series
Order No. | Type(mm) | Precision grade (μm) |
CDGPB900-9001 | 40×38×25 | 1.5 |
CDGPB900-9002 | 50×48×35 | 1.8 |
CDGPB900-9003 | 60×58×35 | 2.5 |
CDGPB900-9004 | 70×68×45 | 3.0 |
CDGPB900-9005 | 80×78×50 | 3.5 |
2. Granite Vee Blocks CDGVB series
V-shaped Block: applicable to measurement of concentric, circular degree, symmetry and run-out tolerance of rotational parts.
Order No. | Type(mm) | Flatness of working surface | Parallelism between Vslot and bottom surface | Parallelism between Vslot and side surface | Symmetry between Vslot and side surface | Squareness between Vslot and end surface | Squareness between Vslot and bottom surface | Height differ ence of the Vslot with in amatched pair | |||||||
Precision grade(μm) | |||||||||||||||
0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | ||
CDGVB600-6001 | 40x90° | 1 | 2 | 3 | 1 | 3 | 6 | 5 | 10 | 5 | 5 | 3 | 6 | 4 | 6 |
CDGVB600-6002 | 63x90° | 2 | 3 | 4 | 6 | 4 | 8 | 8 | 16 | 8 | 8 | 4 | 8 | 5 | 10 |
CDGVB600-6003 | 100x90° | 2 | 4 | 4 | 8 | 4 | 8 | 8 | 16 | 8 | 8 | 4 | 8 | 5 | 10 |
CDGVB600-6004 | 160x90° | 2. 5 | 5 | 5 | 10 | 5 | 10 | 10 | 20 | 10 | 10 | 5 | 10 | 6 | 12 |
3. Granite Box CDGBX series
Inspection of parallelism, perpendicularity and various position errors.
Order No. | Type (mm) | Parallelism of working surface | Flatness of working surface | Perpendicularity of working surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGBX700-7001 | 50×50×50 | 1 | 2 | 1 | 2 | 0.5 | 1 |
CDGBX700-7002 | 100×100×100 | 1 | 2 | 1 | 2 | 1 | 2 |
CDGBX700-7003 | 150×150×150 | 1.5 | 3 | 1 | 2 | 1.5 | 3 |
CDGBX700-7004 | 200×200×200 | 2 | 4 | 1.5 | 3 | 2 | 4 |
CDGBX700-7005 | 300×300×300 | 3 | 6 | 1.5 | 3 | 3 | 6 |
CDGBX700-7006 | 400×400×400 | 4 | 8 | 2 | 4 | 4 | 8 |
CDGBX700-7007 | 500×500×500 | 5 | 10 | 2.5 | 5 | 5 | 1 |
CDGBX700-7008 | 600×600×600 | 6 | 12 | 3 | 6 | 6 | 12 |
CDGBX700-7009 | 700×700×700 | 7 | 14 | 3.5 | 7 | 7 | 14 |
CDGBX700-7010 | 800×800×800 | 8 | 16 | 4 | 8 | 8 | 16 |
4. Granite Straight Edges CDGSE series
Applicable to measurement of straightness and flatness.
Order No. | Type(mm) | Flatness | Straightness of measuring surface | Parallelism between opposite measuring surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSE400-4001 | 400x60x25 | 1.6 | 2.6 | 2.4 | 3.9 | 8 | 13 |
CDGSE400-4002 | 630x100x35 | 2.1 | 3.5 | 3.2 | 5.3 | 10.5 | 18 |
CDGSE400-4003 | 1000x160x50 | 3 | 5 | 4.5 | 7.5 | 15 | 25 |
CDGSE400-4004 | 1600x250x80 | 4.4 | 7.4 | 6.6 | 11.1 | 22 | 37 |
CDGSE400-4005 | 2000x300x100 | 5.4 | 10 | 8.1 | 13.5 | 27 | 45 |
5. Granite Parallels CDGPL series
As a substitute product for equal-height block, the parallel gauge is used for the measurement of parallel ism of parts and is supplied in a pair or pairs.
Order No. | Type(mm) | Flatness of working sur face & parallelism of opposite surface | Squareness between working surfaces | Tolerance of H.W between matched pair | |||
Precision grade (μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGPL500-5001 | 160x25x16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 |
CDGPL500-5002 | 250x40x25 | 2 | 4 | 30 | 60 | 2 | 4 |
CDGPL500-5003 | 400x63x40 | 4 | 8 | 40 | 80 | 4 | 8 |
CDGPL500-5004 | 630x100x63 | 6 | 12 | 50 | 100 | 6 | 12 |
6.Granite Squares Rulers CDGSR series
Applicable to detection of perpendicularity and parallelism and used as absolute measurement reference of 90°.
Order No. | Type(mm) | Squareness beteween abjacent measuring surfaces | Flatness & straightness of measuring surface | Parallelism between opposite measuring surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSR200-2001 | 150x150 | 1.8 | 3.5 | 0.8 | 1.6 | 1.8 | 3.5 |
CDGSR200-2002 | 160x160 | 2 | 4 | 0.8 | 1.7 | 2 | 4 |
CDGSR200-2003 | 200x200 | 2 | 4 | 0.9 | 1.8 | 2 | 4 |
CDGSR200-2004 | 250x250 | 2.2 | 4.5 | 1 | 2 | 2.2 | 4.5 |
CDGSR200-2005 | 315x315 | 2.6 | 5.2 | 1.1 | 2.3 | 2.6 | 5.5 |
CDGSR200-2006 | 400x400 | 3 | 6 | 1.3 | 2.6 | 3 | 6 |
CDGSR200-2007 | 500x500 | 3.5 | 7 | 1.5 | 3 | 3.5 | 7 |
7.Granite Squares CDGSQ series
Applicable to measurement of parts, main shaft of machine tools and various
Order No. | Type(mm) | Squareness beteween measuring surface datum surface | Flatness & straightness of measuring surface | Flatness & straightness of datum surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSQ300-3001 | 100x63 | 1.5 | 3 | 1 | 1 | 1 | 1 |
CDGSQ300-3002 | 160x100 | 2 | 4 | 1 | 2 | 1 | 1 |
CDGSQ300-3003 | 250x160 | 2 | 4 | 1 | 2 | 1 | 2 |
CDGSQ300-3004 | 400x250 | 3 | 6 | 1.5 | 3 | 1 | 2 |
CDGSQ300-3005 | 630x400 | 4 | 8 | 2 | 4 | 1.5 | 3 |
CDGSQ300-3006 | 1000x630 | 6 | 12 | 2.5 | 5 | 2 | 4 |
Application
Granite gauge and blocks are widely used for precision measurement and calibration of precision instruments.
Granite plates are manufactured according to the standards of developed countries; the flatness toler ance is in accordance with granite surface plate standard of GB/T20428-2006 and the Verification Regulation of plates JJG117-2005.
Measuring Temperature 20±2℃
Grade 000: 1x(1+d/1000)
Grade 00: 2x(1+d/1000)
Grade 0: 4x(1+d/1000)
Grade 1: 8x(1+d/1000)
(d for diagonal length, mm)
1. Granite parallels blocks CDGPB series
Order No. | Type(mm) | Precision grade (μm) |
CDGPB900-9001 | 40×38×25 | 1.5 |
CDGPB900-9002 | 50×48×35 | 1.8 |
CDGPB900-9003 | 60×58×35 | 2.5 |
CDGPB900-9004 | 70×68×45 | 3.0 |
CDGPB900-9005 | 80×78×50 | 3.5 |
2. Granite Vee Blocks CDGVB series
V-shaped Block: applicable to measurement of concentric, circular degree, symmetry and run-out tolerance of rotational parts.
Order No. | Type(mm) | Flatness of working surface | Parallelism between Vslot and bottom surface | Parallelism between Vslot and side surface | Symmetry between Vslot and side surface | Squareness between Vslot and end surface | Squareness between Vslot and bottom surface | Height differ ence of the Vslot with in amatched pair | |||||||
Precision grade(μm) | |||||||||||||||
0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | ||
CDGVB600-6001 | 40x90° | 1 | 2 | 3 | 1 | 3 | 6 | 5 | 10 | 5 | 5 | 3 | 6 | 4 | 6 |
CDGVB600-6002 | 63x90° | 2 | 3 | 4 | 6 | 4 | 8 | 8 | 16 | 8 | 8 | 4 | 8 | 5 | 10 |
CDGVB600-6003 | 100x90° | 2 | 4 | 4 | 8 | 4 | 8 | 8 | 16 | 8 | 8 | 4 | 8 | 5 | 10 |
CDGVB600-6004 | 160x90° | 2. 5 | 5 | 5 | 10 | 5 | 10 | 10 | 20 | 10 | 10 | 5 | 10 | 6 | 12 |
3. Granite Box CDGBX series
Inspection of parallelism, perpendicularity and various position errors.
Order No. | Type (mm) | Parallelism of working surface | Flatness of working surface | Perpendicularity of working surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGBX700-7001 | 50×50×50 | 1 | 2 | 1 | 2 | 0.5 | 1 |
CDGBX700-7002 | 100×100×100 | 1 | 2 | 1 | 2 | 1 | 2 |
CDGBX700-7003 | 150×150×150 | 1.5 | 3 | 1 | 2 | 1.5 | 3 |
CDGBX700-7004 | 200×200×200 | 2 | 4 | 1.5 | 3 | 2 | 4 |
CDGBX700-7005 | 300×300×300 | 3 | 6 | 1.5 | 3 | 3 | 6 |
CDGBX700-7006 | 400×400×400 | 4 | 8 | 2 | 4 | 4 | 8 |
CDGBX700-7007 | 500×500×500 | 5 | 10 | 2.5 | 5 | 5 | 1 |
CDGBX700-7008 | 600×600×600 | 6 | 12 | 3 | 6 | 6 | 12 |
CDGBX700-7009 | 700×700×700 | 7 | 14 | 3.5 | 7 | 7 | 14 |
CDGBX700-7010 | 800×800×800 | 8 | 16 | 4 | 8 | 8 | 16 |
4. Granite Straight Edges CDGSE series
Applicable to measurement of straightness and flatness.
Order No. | Type(mm) | Flatness | Straightness of measuring surface | Parallelism between opposite measuring surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSE400-4001 | 400x60x25 | 1.6 | 2.6 | 2.4 | 3.9 | 8 | 13 |
CDGSE400-4002 | 630x100x35 | 2.1 | 3.5 | 3.2 | 5.3 | 10.5 | 18 |
CDGSE400-4003 | 1000x160x50 | 3 | 5 | 4.5 | 7.5 | 15 | 25 |
CDGSE400-4004 | 1600x250x80 | 4.4 | 7.4 | 6.6 | 11.1 | 22 | 37 |
CDGSE400-4005 | 2000x300x100 | 5.4 | 10 | 8.1 | 13.5 | 27 | 45 |
5. Granite Parallels CDGPL series
As a substitute product for equal-height block, the parallel gauge is used for the measurement of parallel ism of parts and is supplied in a pair or pairs.
Order No. | Type(mm) | Flatness of working sur face & parallelism of opposite surface | Squareness between working surfaces | Tolerance of H.W between matched pair | |||
Precision grade (μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGPL500-5001 | 160x25x16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 |
CDGPL500-5002 | 250x40x25 | 2 | 4 | 30 | 60 | 2 | 4 |
CDGPL500-5003 | 400x63x40 | 4 | 8 | 40 | 80 | 4 | 8 |
CDGPL500-5004 | 630x100x63 | 6 | 12 | 50 | 100 | 6 | 12 |
6.Granite Squares Rulers CDGSR series
Applicable to detection of perpendicularity and parallelism and used as absolute measurement reference of 90°.
Order No. | Type(mm) | Squareness beteween abjacent measuring surfaces | Flatness & straightness of measuring surface | Parallelism between opposite measuring surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSR200-2001 | 150x150 | 1.8 | 3.5 | 0.8 | 1.6 | 1.8 | 3.5 |
CDGSR200-2002 | 160x160 | 2 | 4 | 0.8 | 1.7 | 2 | 4 |
CDGSR200-2003 | 200x200 | 2 | 4 | 0.9 | 1.8 | 2 | 4 |
CDGSR200-2004 | 250x250 | 2.2 | 4.5 | 1 | 2 | 2.2 | 4.5 |
CDGSR200-2005 | 315x315 | 2.6 | 5.2 | 1.1 | 2.3 | 2.6 | 5.5 |
CDGSR200-2006 | 400x400 | 3 | 6 | 1.3 | 2.6 | 3 | 6 |
CDGSR200-2007 | 500x500 | 3.5 | 7 | 1.5 | 3 | 3.5 | 7 |
7.Granite Squares CDGSQ series
Applicable to measurement of parts, main shaft of machine tools and various
Order No. | Type(mm) | Squareness beteween measuring surface datum surface | Flatness & straightness of measuring surface | Flatness & straightness of datum surface | |||
Precision grade(μm) | |||||||
00 | 0 | 00 | 0 | 00 | 0 | ||
CDGSQ300-3001 | 100x63 | 1.5 | 3 | 1 | 1 | 1 | 1 |
CDGSQ300-3002 | 160x100 | 2 | 4 | 1 | 2 | 1 | 1 |
CDGSQ300-3003 | 250x160 | 2 | 4 | 1 | 2 | 1 | 2 |
CDGSQ300-3004 | 400x250 | 3 | 6 | 1.5 | 3 | 1 | 2 |
CDGSQ300-3005 | 630x400 | 4 | 8 | 2 | 4 | 1.5 | 3 |
CDGSQ300-3006 | 1000x630 | 6 | 12 | 2.5 | 5 | 2 | 4 |
Application
Granite gauge and blocks are widely used for precision measurement and calibration of precision instruments.
