Tooling Design Check List - Plastic Injection Molding Company Mold Tooling Manufacturer

1 The newest part data is used for design？
2 Do the cavitations match TDS？The layout draw is reasonable?
3 Does the shrinkage rate meet the TDS?
4 Is the tie bar space enough？
5 Is the mold Max. stroke enough？
6 Do the mold clamping style and clamping plate size meet the customer’s requirements?
7 Do the standard components meet the tooling data sheet?
8 The quality and size of eyebolt holes are enough and meet to customer’s requirement?
9 Are the eyebolt holes designed if the component’s weight is more than 25kg?
10 Is there any special requirement for lubrication and meet to customer’s requirement?
11 Is the safety strap designed to customer’s requirement or SSL standard? Has the rest hole been designed?
12 Guide pins should enter into the guide bushing at least 15mm when core meets cavity.
13 The runner stripper plate stock is enough to pick the runner out for 3-plate mold?
14 Does the sprue radius meet the tooling data sheet?
15 Does the locating ring diameter meet the tooling data sheet?
16 Is the slide construction suitable? Is the opening stock enough?
17 Does the material of the wear plate meet the customer’s requirement?
18 The location set for the slide travel meets customer’s requirement?
19 Is there proper clearance in the slides for other components (water connectors, etc)?
20 Is the lifter construction reasonable? Is the lifter travel enough?
21 Is the ejection stock enough?
22 Is the clearance for return pins in B plate (0.005″) and ejector plate (0.03″) right?
23 Is the clearance (0.002″) for ejection guide pins right?
24 Are the return springs designed for a maximum of 35-40% compression?
25 Is the ejector pin layout of reasonable?
26 The early-return mechanize should be installed when the ejector pin under the slider.
27 Does the ejector plate switch meet the customer requirement?
28 Does the PKO pattern meet the customer requirement?
29 Does the thread size of the PKO meet the customer requirement?
30 Can the mold be run automatically?
31 Do all of the shut off have at least 3-degree draft angle?
32 Is there any bad steel condition in the design? If so, the spare part is required?
33 When cavity&core insert dimension≥300mm, wedge block have been added?
34 Are there interlocks between the cavity and core insert?
35 Enough vent should be designed. The depth for the vent need match resin date sheet.
36 Is the water line enough?
37 Do the water connectors meet the customer requirement？
38 Are all thread sizes of the water line specified in the drawing?
39 The inlet and outlet for water line need to be identified and the mark location need match the drawing.
40 Are correct clearance counter bores used for waterlines?
41 The orientation of the inlet and outlet need to meet customer’s requirement.
42 Is the water manifold requested?
43 Have all of the air and oil INs and OUTs been identified in the drawing?
44 Does the oil connectors meet the customer requirement？
45 Does the runner size meet the TDS?
46 Does the gate type meet the tooling data sheet?
47 Does the gate location match the parting line view and TDS?
48 Does the gate size meet the TDS?
49 Does the hot runner system meet the tooling data sheet?
50 Does the customer request hydraulic or pneumatic valve if the valve gate is requested?
51 Has the hot runner system been designed to hot half？
52 Do the connectors of the hot runner system meet the customer requirement？
53 Have the hot runner connectors been mounted in the correct location?
54 Has the wiring diagram of the hot runner system been put into the drawing?
55 Is the material of cavities, cores, slides, lifters and mold base correct?
56 Is the hardness of the cavities, cores, slides, lifters and mold base correct?
57 Does the drawing have complete BOM？
58 Do all of the standard components have catalogue number specified?
59 Is there no clearance between sprue bush with A plate and cavity insert?
60 Has the finish information been specified in the drawing?