4. (1) 1” Impact Wrench ;Air Impact Mechanisms: Twin Hammer
初始扭力測試:Initial Torque Test
3 秒 Sec. 5 秒 Sec. 8 秒 Sec.
AVG AVG AVG
正轉 1535. ft-lb 2039. ft-lb 2523. ft-lb
Direct
Clockwis
e
反轉 2288. ft-lb 2649. ft-lb ------
Counter
Clockwis
e
(2)架設於簡易型壽命測試機(Auto Test)測試,單邊連續打擊 4 秒/停 3 秒 (反轉)。
Life Test Device: 4 sec. straight impacts on Single side, stopped for 3 sec. (Go reverse)
(3)測試累計 1264 次,測試扭力後給 User 試用。
After Torque test of total 1264 impacts, tested by user personally
扭力測試:
反轉 (Counter
Clockwise)
3 sec 秒 5 sec 秒
AVG AVG
本次扭力 2268. ft-lb 2614. ft-lb
Final
Torque
初始扭力 2288. ft-lb 2649. ft-lb
Initial
Torque
扭力衰退 0.9% 1.3%
Torque
Diminishing
User 試用後續測。Continual Test by user
(4) 測試累計 3000 次。Test up to total 3000 impacts
扭力測試:
反轉 (Counter
Clockwise)
3 秒 sec 5 秒 sec
5. AVG AVG
本次扭力 2239. ft-lb 2569. ft-lb
Final
Torque
初始扭力 2288. ft-lb 2649. ft-lb
Initial
Torque
扭力衰退 2.1% 2.0%
Torque
Diminishing
拆卸檢查,零件無損壞,保養後續測。Dismantled and Looked into it, NO damage, continually
tested after greasing.
(5) 測試累計 5000 次 Test up to total 5,000 impacts
扭力測試:
反轉 (counter
clockwise)
3 秒 AVG 5 秒 AVG
本次扭力 2317. ft-lb 2653. ft-lb
Final
Torque
初始扭力 2288. ft-lb 2649. ft-lb
Initial
Torque
扭力衰退 0.0% 0.0%
Torque
Diminishing
拆卸檢查,零件無損壞,保養後續測。Dismantled and Looked into it, NO damage found,
continually tested after greasing.
6. 壽命試驗分析
測試結果 Test Result
(6) 測試累計 7000 次。Test up to total 7000 impacts
扭力測試:
反轉 Counter Clockwise
3 秒 AVG 5 秒 AVG
本次扭力 2257. ft-lb 2634. ft-lb
Final
Torque
初始扭力 2288. ft-lb 2649. ft-lb
Initial
Torque
扭力衰退 1.4% 0.6%
Torque
Diminishing
拆卸檢查,零件無損壞,保養後續測。
Dismantled and Looked into it. No damage found
Continually tested after greasing.
(7)測試累計 7563 次 / 13 小時,卡住停機。
經拆卸檢查,損壞零件:插銷變形、
傳動軸鎚打面有磨耗、鎚打塊鎚打面有磨耗。
Test up to total 7563 impacts/13 hr, test device stopped with problems. Dismantled and Looked
into it, pin distortion found. Wear scars found on anvil and Hammer Dog surfaces.
(8) 更換零件:插銷。Replacement Parts: Pin.
7. 更換零件後扭力測試:() Torque test after parts replacement
反轉
3 秒 AVG 5 秒 AVG
本次扭 2206. ft-lb 2516. ft-lb
力
初始扭 2288. ft-lb 2649. ft-lb
力
扭力衰 3.6% 5.0%
退
測試累計 7563 次,保養後續測。Test up to total 7563 impacts, continually tested after greasing.
8. 壽命試驗分析
測試結果 Test Report
(9) 測試累計 9000 次。Test up to 9000 impacts
扭力測試:
反轉 Counter Clockwise
3 秒 AVG 5 秒 AVG
本次扭力 2206. ft-lb 2470. ft-lb
Final
Torque
初始扭力 2288. ft-lb 2649. ft-lb
Initial
Torque
扭力衰退 3.6% 6.8%
Torque
Diminishing
拆卸檢查,零件無損壞(傳動軸鎚打面有磨耗、鎚打塊鎚打面有磨耗),保養後續測。
Dismantled and Looked into it, No broken parts (wear scars on anvil and Hammer Dog surfaces)
9. 壽命試驗分析
測試結果
(10) 測試累計 11893 次/ 20.6 小時,停止測試。Test up to total 11893 impacts/20.6 hr, Test
stopped.
拆卸檢查,傳動軸鎚打面有磨耗、鎚打塊鎚打面有磨耗。Wear scars found on anvil and
Hammer Dog surfaces.
10. 壽命試驗分析
測試結果
(10) 測試累計 11893 次/ 20.6 小時,停止測試。Test up to total 11893 impacts/20.6 hr, Test
stopped.
拆卸檢查,傳動軸鎚打面有磨耗、鎚打塊鎚打面有磨耗。Wear scars found on anvil and
Hammer Dog surfaces.
11. 壽命試驗分析
測試結果
(10) 測試累計 11893 次/ 20.6 小時,停止測試。Test up to total 11893 impacts/20.6 hr, Test
stopped.
拆卸檢查,傳動軸鎚打面有磨耗、鎚打塊鎚打面有磨耗。Wear scars found on anvil and
Hammer Dog surfaces.