PROBLEM TO BE SOLVED: To heighten form accuracy of a rack bar including a tooth part where rack teeth are formed.SOLUTION: In a rack bar 1, a tooth part 2 having a plurality of rack teeth 3 is formed by plastic working on a part in a longitudinal direction of a shaft material, and grinding is applied to the outer peripheral surface of the shaft material over the whole length in the longitudinal direction of the shaft material including the tooth part 2.SELECTED DRAWING: Figure 2
【課題】ラック歯が形成される歯部を含めてラックバーの形状精度を高める。【解決手段】ラックバー1は、軸材の長手方向の一部に、複数のラック歯3を有する歯部2が塑性加工によって形成され、歯部2を含む軸材の長手方向の全長に亘り、軸材の外周面に研削加工が施されている。【選択図】図2
RACK BAR, AND PRODUCTION METHOD OF RACK BAR
ラックバー及びラックバーの製造方法
2016-10-13
Patent
Electronic Resource
Japanese
IPC: | B21J FORGING , Schmieden / B21K MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS , Herstellen von Schmiede- oder Presserzeugnissen aus Metall, z.B. Hufeisen, Nieten, Bolzen oder Rädern / B23K Löten , SOLDERING OR UNSOLDERING / B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING , Maschinen, Einrichtungen oder Verfahren zum Schleifen oder Polieren / B62D MOTOR VEHICLES , Motorfahrzeuge / F16H Getriebe , GEARING |
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