Общий каталог Yamawa 2022 - 2023 - страница 524

④ Hand Tap Series JIS RE-HT Spiral Fluted Taps (for blind hole) ① JIS Hand Tap for Thread Repair Spiral Fluted Taps (for through hole) ② Specification Spiral Pointed Taps (for through hole) Oxide ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels High carbon steels Alloy steels 低炭素鋼 中炭素鋼 高炭素鋼 合金鋼 〜 5 〜 5 〜 5 〜 5 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ Product Features ●Main application: repair of screw threads. Removal of burrs, rust, paint or spattering during welding operation. ●Utilizing the best cutting edge shape for manual repairing of large diameter threads. Cemented Carbide Taps ⑤ ●By simply exchanging the tap's head portion, it is possible to repair M50 〜 M80 threads using the same arbor and it's very economical. ●By using a long type of arbor, you can repair threads deep in a hole. Before repair processing After repair processing Roll Taps After repair processing (enlarged picture) ⑥ Assembling method LOCK Special Thread Taps Simple Inspection Tools 【procedure】 ⑦ ① Insert the parallel drive key into the key groove on the arbor. ② Turn the M4 bolt using a 3 mm hex wrench and firmly tighten the parallel drive key in place. * On the opposite side, follow the operation instructions ⑤ ① and ② and firmly tighten the second parallel drive key. ④ Pipe Taps ③ Insert the cutting edge portion of the tap onto the pilot diameter of the arbor. ⑧ (Align the tenon groove of the cutting edge portion of the tap to the parallel drive key on the arbor). ③ ④S  et the flat washer and the spring washer in the countersink of the cutting edge portion. ⑤ Lightly tighten the M10 center bolt with a 8 mm hex wrench. ⑥R  otate the cutting edge portion of the tap toward the parallel drive key like that of ⑥ Thread Mills Premium Thread Mills ⑨ the cutting load during tapping. ① ② Firmly tighten the M10 center bolt using a 8 mm hex wrench to attach the cutting edge portion of the tap to the arbor. LOCK * When exchanging the taps head part, secure the arbor firmly to the vise. * When ordering for the first time, please order a set of head and arbor. Dies ⑩ 【reference】 Socket head cap screw. Tightening torque (N · m） Tightening torque of taps head fixing screw M10 24 Center Drills Centering Tools Note: ⑪ ・B  ecause of the tap's head replacement method, normal tapping to produce internal thread can not be performed. Be careful as there is a risk of breakage if an excess torque is imposed on the tap. ・The RE-HT is designed to be used by hand, it can not be used on machines. ・Excessive tightening of hexagon socket head bolts may cause deformation or breakage. JIS ④-127