Path of contact 接触跡

Peak load 峰值負荷

Peak torque 峰值扭矩

Pedestal bearings 安裝差速器殼的架座軸承

Performance torque 性能扭矩

Perim-mate 研磨錐齒輪和准雙面齒輪用的全齒面研磨法

Pinion 小輪

Pinion axial displacement 小輪軸向位移

Pinion cone 小輪錐距

Pinion front bearing 小輪前端軸承

Pinion head bearing 小輪后端前軸承

Pinion rear bearing 小輪后端后軸承

Pinion rougher 小輪粗切机

Pinion offset 小輪偏置距

Pitch 節距，齒距

Pitch angle 節錐角

Pitch apex 節錐頂

Pitch apex beyond crossing point 節錐頂超出至相錯點

Pitch apex to back 節錐頂至安裝端面

Pitch apex to crown 節錐頂至輪冠

Pitch circle 節圓

Pitch cone 節錐

Pitch curve 節面曲線

Pitch diameter 節徑

Pitch element 節面母線

Pitch line 節線

Pitch-line chuck 節圓夾具

Pitch-line runout 節線跳動

Pitch plane 節面

Pitch point 節點

Pitch radius 節圓半徑

Pitch surfaces 節曲面

Pitch tolerance 齒距公差

Pitch trace 節線

Pitch variation 齒距變化量

Pitting 點蝕

Plane of action 嚙合平面

Plane of rotation 旋轉平面

Planning generator 展成法刨齒机

Plastic deformation 塑性變形

Plastic flow 塑性流動

Plate index 分度盤

Point diameter 刀尖直徑

Point of contact 接触點

Point radius 刀尖半徑

Point width 刀頂距

Point width taper 刀頂距收縮

Pressure lubrication 壓力潤滑

Prime mover torque 原動机扭矩

Profile angle 齒廓角

Profile bridge 齒廓橋形接触

Profile contact ratio 齒廓重合度

Profile mismatch 齒廓嚙合失配

Profile radius of curvature 齒廓曲率半徑

Proof surface 檢測基准面

Quality measurement system 質量檢測系統

Quenching cracks 淬火裂紋

Quenching die 淬火壓模

Quenching press 淬火壓床

Rack 齒條

Radial 徑向刀位

Radial load 徑向負荷

Radial locating surface 徑向定位表面

Radial rake angle 徑向前角

Ratio control roughing 變滾比粗切

Ratio gears 滾比挂輪

Ratio of roll 滾比

Ratio of roll gears 滾比挂輪

Recess action 嚙出

Relative displacement 相對位移

Relative movement 相對運動

Relative radius of curvature 相對曲率半徑

Residual stress 殘余應力

Revacycle 直齒錐齒輪圓拉法用机床及刀具

Revex 直齒錐齒輪粗拉法

Ridg-AC 鑲片圓盤端面粗銑刀

Ridging 溝條變形

Ring gear 大輪，環形齒輪

Rippling 振紋

Roll centering 滾動定心

Roll queching 滾動式淬火壓床

Roll gears 擺角挂輪

Rolling 滾軋

Rolling velocity 滾動速度

Root angle 根錐角

Root angle tilt 齒根角傾斜

Root apex 根錐頂

Root apex beyond crossing point 根錐頂至相錯點的距离

Root apex to back 根錐頂至安裝基准面距离

Root circle 齒根圓

Root cone 根錐

Root diameter 根圓直徑

Root line 齒根線

Root radius 根圓半徑

Root surface 齒根曲面

Roughac 弧齒錐齒輪粗切刀

Rougher 粗切机

RSR 弧齒錐齒輪條形刀齒銑刀盤

Runout 徑向跳動