Режущие и зажимные инструменты Hoffmann Group 2026 - страница 920

GBP 57 HSS Keyway broaches for a single pass Sizes 4B1 to 8C1 additionally with 45° edge breaker. This deburrs the sharp edges of the groove. Application: For efficient cutting of splines to DIN 6885 in a single pass. 45° Note: For size 2A please use part No. 290405 2A. ■  ■ Fits P9 and H9 available on request. ■ After 1/3 and 2/3 of the pass, back the broach off slightly − the broach will then align itself. Suitable for/ vc [m/min] ISO code N N N P P P P P H H H H H M M K N N ​ ​ ​ ​ ​ 29 0420 ○ ● ○ ● ● ○ ○ ● ● ○ ● Type 29 0420 Broach length Keyway width Keyway depth for bore ⌀ to Broaching length necessary broaching force Back width 29J DIN 6885 in steel for St50 and max. broach- ing length Keyway broach HSS Fit JS9 mm mm mm mm mm kg mm 3A (eShop) 197 3 1.4 8 – 10 6 – 25 400 3.25 4B1 (eShop) 273 4 1.8 11 – 12 8 – 40 450 6.46 5B1 (eShop) 273 5 2.3 12 – 17 8 – 40 600 6.46 6C1 (eShop) 432 6 2.8 17 – 22 8 – 50 700 9.63 8C1 (eShop) 470 8 3.3 22 – 30 8 – 50 1100 9.63 ​Guide bushes for keyway broaches Size 6A–22C1 – With collar. Size 24C1–90F1 – Without collar. Application: Push broaches with identification mark A and guide bushes with identification mark A can be used together. The same applies to the other markings. So that the broach can run through to its full height and can drop back again freely, the guide bush must be inserted into the press bedplate at the same time as the workpiece is threaded through. Note: Further sizes available on request. Bush ⌀ 29 0415 Slot width Length Bush ⌀ 29 0415 Slot width Length 29J 29J Guide bush Guide bush 29 0415 mm for bore H7 mm mm mm for bore H7 mm mm Guide bushes with collar from 6 − 22 mm ⌀. 6A eShop 3.25 32 28C1 eShop 9.63 64 8A eShop 3.25 32 30C1 eShop 9.63 64 9A eShop 3.25 32 32D1 eShop 14.39 100 10A eShop 3.25 32 35D1 eShop 14.39 100 11B1 eShop 6.46 43 36D1 eShop 14.39 100 12B1 eShop 6.46 43 38D1 eShop 14.39 100 13B1 eShop 6.46 43 40D1 eShop 14.39 100 14B1 eShop 6.46 43 45D1 eShop 14.39 125 15B1 eShop 6.46 43 50D1 eShop 14.39 125 29 0415 16B1 eShop 6.46 43 55E1 eShop 19.34 150 Guide bushes 29 17B1 18C1 eShop eShop 6.46 9.63 43 64 60E1 65E1 eShop eShop 19.34 19.34 150 150 from 24 − 90 mm ⌀. 19C1 eShop 9.63 64 70F1 eShop 25.72 150 20C1 eShop 9.63 64 75F1 eShop 25.72 150 22C1 eShop 9.63 64 80F1 eShop 25.72 150 24C1 eShop 9.63 64 90F1 eShop 25.72 150 25C1 eShop 9.63 64 Special broaches – ask for our questionnaire! Examples of profiles for special push broaches: Square (No. 29 0426) and hexagon (No. 29 0431) push broaches are available from supplier’s stock. Further sizes are available at short notice from manufacturer’s stock. We will be happy to prepare a quotation for you. 920