Research on Improvement of Truck Vibration Based on Systematic G8D Method

Table 8

Vendor decision worksheet.

Decision worksheet 2
Vendor A		Vendor B
Criteria that must be met	Yes/no	Criteria that must be met			Yes/no
(a) Do not change existing design	Yes	(a) Do not change existing design			Yes
(b) Do not change the manufacturing process	Yes	(b) Do not change the manufacturing process			Yes
(c) No increase in product cost	Yes	(c) No increase in product cost			No
Expected standard	Good or bad (1–10)	Score	Expected standard	Good or bad (1–10)	Score
(1) Deviation quality and consistency of transmission shaft	Good	8	(1) Deviation quality and consistency of transmission shaft	Good	9
(2) Technical requirements for hub: roundness and flatness and consistency	Good	9	(2) Technical requirements for hub: roundness and flatness and consistency	Good	8
(3) Rims meet technical requirements: roundness and consistency	Good	8	(3) Rims meet technical requirements: roundness and consistency	Good	8
(4) Dynamic balance and consistency of tire assembly	Good	9	(4) Dynamic balance and consistency of tire assembly	Good	7
(5) Damping force of front axle shock absorber meets technical requirements and consistency	Good	9	(5) Damping force of front axle shock absorber meets technical requirements and consistency	Good	8
(6) Cab-suspensioning shock absorber meets technical requirements and consistency	Good	9	(6) Cab-suspensioning shock absorber meets technical requirements and consistency	Good	8