JB/T 7699-1995 Technical requirements for wooden patterns and core boxes for foundry

This standard specifies the grade, technical requirements, inspection rules, marking and storage of wooden patterns and core boxes for sand casting. This standard applies to wooden patterns and core boxes for sand casting, and also applies to wooden and metal mixed patterns and core boxes. JB/T 7699-1995 Technical conditions for wooden patterns and core boxes for casting JB/T7699-1995 Standard download decompression password: www.bzxz.net

People's Republic of China Press Machinery Industry Standard JB/T76991995
1995-06-204
1996-01-01
GB 4817.1
GB5611
GB/T11350
312472
JB/T5105
JB/T5106
measurement dimension
flatnesstolerance
coincident dimension tolerancedimensiontolerance of toolingunspecified dimension toleranceuniversalmolding machine
1995-06-20
JB/T76991995
1996-01-01
5. Glycolysis test
JB/T51061
8%~16% bottle
GB/T11350
JB/T76991995
2/3 onwards1/2 before
4500~1000
34817.2 by
70~120
JB/T5105g
1000 ~2000
Private 42000
5.1.12 bottle
5.1.13 fun
100mmg
1500mm
120mmg
1500mmm
150mmf
JB/T76991995
250~500mm
30~5 0mmf
40mmperiod
250~500mm
30~50mmf
1000mmg
50mmsee
R15bottle
70~120
90mmnumber
35~50mm
35~50mm
R10bottle
500m m gold
private 463~100
4100~160
4160~250
4250~400
4400~630
4630~1000
Zhao 1000~1600
41600~2500||tt ||Peng 42500~4000
5.5.3 Need
Female 6 bottles
JB/T76991995
416~25
425~40
4400~630
4630~1000wwW.bzxz.Net
1000~1600
1600~2500
2500~ 4000
Peng 4000~6300
4400~630
4630~1000
1000~1600
41600~2500
2500~4000
44000~6300
tt||400~630| |tt||400~630
630~1000
1000~1600
1600~250042500~4000
4630~100041000~1600
41600~250042500~4000||tt| ot enjoy@R||tt| |JB/T76991995
GB/T14495
200mm blue
41000~10000
Private 410000
JB/T76991995
4A1 question
JB/T76991995
JB/Z85—65 Lane
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