Difference between B and D tooling
D tooling
Barel Diameter is 1 inch
Head Diameter is 1 and ¼ th inch length is 5.25 inch
Dies outer diameter is 0.945 and
BB Tolling
Barel Diameter is 0.75 inch
Head Diameter is 1 inch length is 5.25 inch
Dies outer diameter is 30.16 mm
B tooling is same as BB only difference is that lower punch length is just 3 and 9/16th inch long.
D tooling dies and punches are usually have thick diameter or have greater diameter of their body as well as the tip of punches also dies have greater outer diameter compared to B type tolling which makes D type tolling dies and punches suitable for compression of big size tablets as the tip of the pinches is border compared to B tooling dues and punches.
Many sub categories like DB , BB type tablets dies and punches are made depending up on the punches and dies requirement of product.
Following table will be useful in understanding the concept of tablet tooling and how they are classified as B and D tooling and BB and DB tooling
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