General Requirements
1 Is the machining organization complete?
2 Are machining quality objectives clear?
3 Is the machining program documented?
4 Are on-site CNC machine operators properly `trained or educated?
5 Are records of certificates of completion/training programs/training delivery/training follow-up available?
6 Is the machining production plan clear? Is it up to date? Are there frequent delays?
7 5S in the machine shop?
8 Safety in the machine shop?
9 Is there a product machining surface protection measures?
10 Is there shipping protection?
11 Handling of nonconforming products? What is the area of nonconformity?
Machine equipment
12 Is there a list of machine equipment?
13 Is there a complete range of machines? Is the machining capacity/diameter/load capacity sufficient? (Turning, milling, planing, grinding, etc.)
14 Is there a machine management program document?
15 Is there any process outsourcing? How to control the outsourcing process?
16 Is there a calibration report for the machine?
17 Is there a maintenance program for the machine?
18 Is there a daily inspection and maintenance record of the machine?
19 Is there a machine maintenance record?
20 Is there a machine tool accuracy measurement record?
21 Is the lifting capacity sufficient?
22 Machine tool annual overhaul plan and implementation records?
Site Control
23 Are products and materials in the machining receiving area inspected?
24 Are products labeled and inspected?
25 Is there a processing technology, drawings, self-inspection records, shift records, process flow card?
26 process, drawings and other documents under control?
27 Self-inspection records, shift records, process flow card is complete?
28 CNC machining whether the product clamping process diagram / CNC guidance process documents?
29 Is the clamping according to the drawing? Clamping is reasonable?
30 product calibration, positioning, clamping after someone check? Is there a record?
31 Is the application of tooling or molds?
32 Are tools, cutters, fixtures, and molds verified?
33 Are cutting parameters performed as required? (feed rate, feed volume, RPM)
34 Is the first inspection performed? Is there a record of the first inspection?
35 Is the inspection? Is there a record of inspection?
36 Is the final size sampling? Is the basis for sampling clear?
37 Is the final inspection program complete? Is the record complete?
38 How is customer acceptance organized?
39 How to arrange customer machine witnessing?
40 Are there any quality issues with the machined product on site? Visual inspection/dimensional overrun inspection?
41 Are gauges in use on site under control?
42 Is the final documentation complete? (visual report, dimensional report)?
43 Does the dimensional checklist cover the drawing requirements?
44 Is the dimensional measurement method reasonable? How are the form and position tolerances measured?
Continuous Improvement
45 Are customer complaints documented?
46 machining quality defects have tracking statistics?
47 Is there any tracking statistics for machining process capability parameters or defect rates?
48 Is there an error proofing system design/tooling etc.?
49 Are OEE statistics available?
50 Is continuous improvement done?
Measurement management
51 Is there a gauge management program document?
52 Does the gauge ledger include calibration intervals and gauge numbers?
53 Is there a procedure for calibration cycles? Are actual calibrations performed as required?
54 Gauges in terms of type and range to cover the production needs?
55 Gauge loan account is complete information? (Gauge number, borrower, time, measured objects)
56 The highest standard of measurement of the enterprise is checked?
57 Inspection found after the failure of the gauge can be traced back to the previous product under test?
58 Whether the qualification of gauge verification (registered personnel qualification, verification system, verification conditions)?
59 Is there a periodic calibration of the mandatory inspection gauge (trade settlement, safety and security, health care, environmental monitoring)?
60 mandatory gauge calibration cycle is reasonable?