驅動力選擇
在選擇齒條以後,必須檢查齒輪齒數是否和所需驅動力和扭矩
相匹配。
此處列出的數據只適用於無振動、潤滑良好和齒輪高剛性的情
況。
此處齒根應力安全係數取 SF ≥ 1.4,赫茲應力安全係數取
SH ≥ 1.0.
安全係數 SB ≈ 1.0...4.0,由用戶根據經驗選取。牽引力 FN 與
齒輪齒數 Z 有關。
Size selection
After selecting the rack,the gear teeth of the guideway system
must be checked for compatibility with the required drive forces
and torques.
The rack can be supplied precision cut or hardened and ground.
The values given are values for shock-free operation,good
lubrication and stiff arrangement of the pinion.
A safety factor for tooth root stress SF≥1.4 and a safety factor
for Hertzian stress SH≥1.0 is taken in account.
Depending on your experience and application a safety factor
SB≈1.0...4.0 has to be considered.
The tracking force FN is related to the number of teeth Z of the
pinion
T N
T
N
T N
T
N
Selection of drive forces
重載扁導軌齒條驅動力選擇
FN
TN
TN
Fig. ➁
Fig. ➀
FN
FN
45
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