Research on Improvement of Truck Vibration Based on Systematic G8D Method

Table 7

Decision worksheet on permanent corrective measures.

Decision worksheet 1
Final result: eliminate or reduce vibration in operation of this type of vehicle to the extent acceptable to the customer
Criteria that must be met
(a) Do not change existing design
(b) Do not change the manufacturing process
(c) No increase in product cost
Expected standard	Importance (1–10, 1: minimum, 10: maximum)
(1) Deviation quality and consistency of transmission shaft	8
(2) Technical requirements for hub: roundness and flatness and consistency	9
(3) Rims meet technical requirements: roundness and consistency	9
(4) Dynamic balance and consistency of tire assembly	9
(5) Damping force of front axle shock absorber meets technical requirements and consistency	8
(6) Cab-suspensioning shock absorber meets technical requirements and consistency	9