Cast iron square foot including bridge-shaped flat foot-shaped square foot, rectangular flat feet, angle square foot dedicated square foot for the Machine Tool, the accuracy check of the table, the geometric precision of measurement, the measurement of precision parts, scraping process processing is the benchmark of precision measurement. 
 Cast iron square foot manufacturing, GB/6318-85 standard material iron HT250, working surface scraped or sophisticated research grinding process for the measurement of the workpiece straightness and flatness and equipment installation, the use of temperature (20 ± 5 ° C) 
 Cast iron flat feet Specifications: 


 Material Specifications 
 Face straightness or flatness 
 Face between the degree of parallelism 


 Remarks 

 Accuracy class (μm) 

 0 
 A 
 2 
 0 
 A 
 2 

 Cast iron square foot 
 Steel type flat feet 
 500 × 35 
 3 
 6 
 12 
 4.54 
 9 
 18 
 Special specification is available 

 750 × 40 
 4 
 8 
 15 
 6 
 12 
 25 

 1000 × 50 
 5 
 10 
 20 
 7.5 
 15 
 30 

 1200 × 50 

 12 
 24 

 18 
 36 

 1500 × 60 

 15 
 30 

 20 
 40 

 2000 × 80 

 18 
 36 

 27 
 54 


 2500 × 80 


 44 


 65 

 3000 × 100 


 52 


 78 

 3500 × 100 


 60 


 90 

 4000 x 100 


 68 


 100 


 More products: Bridge-type flat feet | cast iron square foot angle flat feet 
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