new plastic technology

8/10/2019 New Plastic Technology

1/12

11/11/13 New Page 3

www.fer ris.edu/htmls/academics/course.offer ings/hi llm/MYWEB7/Classroom/Design-Review.htm

Mark Hill

DESIGN DEPARTMENT CHECK LIST

Part Name:___________ Tool #_______________Metric/English

Part File Name:___________ Tool File

Name:____________Metric/English

A. PART DATA / LINE UP INFO CKD

1. Has the job folder been Created?

2. Have part edits been reviewed?

3. Kick off notes reviewed?

4. Has the customer specs been reviewed?

5. Has die drawbeen supplied by the customer or

determined by the designer?

6. Has draft analysis been run with minimum draft

established?

7. Is draft analysis copy included with folder and

checklist?

8. Has the part been completely reviewed for

molding?

9. Is part data complete? ISM & OSM?

10. Are part changes required? If so, are sketches

attached?
http://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Injection%20Molding/process.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/General/general.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Injection%20Molding/process.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/General/general.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/gates/Gates.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Cooling/Cooling.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Ejection/Ejection.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/gates/Gates.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Cooling/Cooling.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Ejection/Ejection.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Action/Action%20Molds.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/index.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Classroom/Classroom.HTMhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Basic%20Molds/Basic%20Molds.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Runners/Runners.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/index.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Classroom/Classroom.HTMhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Basic%20Molds/Basic%20Molds.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Classroom/Classroom.HTMhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/index.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/General/general.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Injection%20Molding/process.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Action/Action%20Molds.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Ejection/Ejection.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Cooling/Cooling.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/gates/Gates.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Runners/Runners.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Basic%20Molds/Basic%20Molds.htmhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/Classroom/Classroom.HTMhttp://www.ferris.edu/htmls/academics/course.offerings/hillm/MYWEB7/index.htm


2/12


3/12

11/11/13 New Page 3

www.fer ris.edu/htmls/academics/course.offer ings/hi llm/MYWEB7/Classroom/Design-Review.htm 3

1. Does mold fit into customers press?

2. Do parts clear t ie bars?

3. Is part completely de-molded?

4. Are stack up dimensions and high point shown

with overall block sizes called out?

5. Is O corner shown?

6. Does mold fit min. and max. shut height?

7. Is top of mold and operators side called out?

8. Will design function in press?

9. Are eyebolts / clamp slots shown?

10. Eyebolts to correct size?

11. Eyebolt sheets filled out?

12. Eyebolts designed in all loose pieces weighing in

excess of

40 pounds?

13. Has 0,0 been set to CL of Core?

E. Lifters Chkd

1. How many lifters?

2. Do lifters travel without any interference?

3. Are lifter pocket covers surfaced and on the

correctlayers?

4. Are all fillets correct size?

5. Are the layers all correct?

6. Are all l ifters writ ten out indiv idually, labeled, and namedproperly?

7. Do lifters & labels match design file?

8. Is edm required?

9. Are block-ups complete with sizes and

setups?

10. Are lifter rod pinning requirements on block-

up sheets for

straight up lifters?

11. Are rib cuts required and complet e?

12. Have designs been compared for lifter

material?


4/12

11/11/13 New Page 3


F. SLIDES & CORE PULLS CKD

1. How many slides?

2. Do slides have sufficient room to travel in slide

pocket?

3. Do slides have 5 or 3 lead in?

4. Are slide wear plate pocket s surfaced?5. Are all fillets correct size?

6. Are the layers all correct?

7. Are all s lides wri tt en out indiv idually, labeled, and namedproperly?

8. Do slides and labels mat ch design file?

9. Is edm required?

10. Are block-ups complete with sizes and setups?

11. Are core-pull block-ups required and

complete?

12. Are screw locations required and incorporated

into surface file?

13. Are rib cuts required and complete?

14. Have designs been compared for slide & core-

pull material?

G. INSERTSCKD

1. How many inserts?

2. Are inserts burned or cut?

3. ONLY if cut, is insert tapered 3-5 deg?

4a. ONLY if cut, are pocket covers surfaced and on the

correct layers?

4b. ONLY if cut, are all fillets correct size?

4c. ONLY if cut, are inserts written out as individual files?

4d. I s the insert cleared correct ly for spot ting?5. Are the layers all correct?

6. Do inserts & labels match design file?

7. Are screws and dowels shown?

8. Is edm required?

9. Are block-ups complete with sizes and setups?

10. Are screw locations required and incorporated into

surface file?

11. Are rib cuts required and complete?


5/12

11/11/13 New Page 3


12. Have designs been compared for insert material?

H. SLEEVES CKD

1. Are sleeves required?

2. How many? Are spares required?

3. Are they standard and lengths?

4. Are carrier/extensions required to keep standard

length?

5. Has the sleeve been designed to achieve between

.75-2 ream on ID? for the OD? 6. Have the sleeves been labeled and sect ions cut

through all of them?

7. Do the sect ions have depths of part from core

surface and the ID and OD dimensioned?

8. Are sleeve assemblies ready to fabricate?

9. I f special size sleeves are required, are they ordered?

I. CORE PINS (BLIND & THROUGH) CKD

1. Are pins blind (press fit from the front), or through

(stationary core pin from the back)?

2. I f pin are through pins, are they keyed?

3. I f so, how many?

4. What is the purpose?

5. Are pins shown complete?

6. Are pins dimensioned at part area to show depths,

, and draft?


6/12

11/11/13 New Page 3


7. Are pins labeled in Planviews & Sections?

J. CORE PULLS CKD

1. Are core pulls required?2. Hydraulic or mechanical?

3. How many are required?

4. Are sections cut through all core pulls (and

labeled)?

5. I f hydraulic, is design complete:

a. Is cylinder mounting shown?

b. Is standard pin carrier used?

c. Have cylinder orders been writ ten, checked, and

given to

purchasing?

d. Is pin carrier keyed and retained?

6. Is pin carrier spring loaded?

7. Is part feature formed by pin dimensioned with

tolerance?

8. Are core pull assemblies ready to fabricate?

K. WATER SPECIFICATIONS ANDREQUIREMENTS

CKD

1. Have the customers specs been reviewed?

Incorporated?

Line | | Bubbler size (Standard std. 1 sizelarger than water line )

Fitt ing type (Main connections) |

Counterbores |

Circuit layout (i.e. flood, forced) | Mainforld or

Valves | | Hose color or type


7/12

11/11/13 New Page 3


L. WATER DESIGNS CKD

1. Are sections cut through all lines and labeled X or Y

value?

2. Are any coolant lines taped into core steels?

3. Are all lines labeled in Plan Views with PL heights?

4. Do all sections match PL labels?

5. Are all ins, outs, and loops labeled?

6. Are flow arrows or layout sheets required to help

follow flow (i.e. complex bumper)?

7. Water line spacing suitable for part and mold size?

Small 2-3 Medium 3-4 Large 3-5 Prototype

8. Bubblers, spacing same as WL spacing?

M. EJECTION CKD

1. Are ejector pins std. and lengths?

2. Are ejector pins s the maximum the part allows

without having more than 3 sizes?

3. Are pins near all ribs and bosses (2 per feature as

close to ribs as possible)? (.060)

4. Are all pins pushing on best possible areas? (Rads,

walls, etc.)

5. Has ejector pin program been run to verify pins are

pushing in best location?

6. Is proper/standard ream shown standard for

injection molds?

7. Is proper/standard ream shown with .06 dia.

clearance for compression molds?


8/12

11/11/13 New Page 3


8. Is proper ream shown for gate and runner pins and

special (non-std.) ream noted?

9. Are ring pins required? Are they called out in P.V.?

Is there a blow-up view?

10. Are return pins shown complete with clearance for

screw if applicable?

11. Are return pin springs required? If yes, are they

shown?

N. HYDRAULIC EJECTION CKD

1. Is hydraulic ejection required?

2. Are cylinders shown complete & designed to

customer specificat ions?

A. Dowels? B. Retainer Key?

C. Mounting Plate? D. H-Nut?

E. Have cylinders been ordered?

3. Is hydraulic routing through rails? If yes, is it shown?

4. Are rest buttons located directly next to hydraulic

cylinders?

5. Are limit switches shown & protected?

O. MISCELLANEOUS

1. Are standoffs required/shown?

2. Are safety straps shown?


9/12

11/11/13 New Page 3


3. Has all plate work been writ ten up, checked, and

given to purchasing department?

P. EJECTOR BOX CKD

1. Knock outs work for customers press?

2. Knock outs work for t ryout press?

3. Knock out clearance size 2.25 clearance or 1.25

clearance?

4. Knock out threads called out?

5. Rest buttons designed to Standard std?

6. Rest button under return pins and sprue pins?

7. Rest butt ons 6-8 apart on small molds and 8-10

apart on large molds?

8. Are ejector screws required for pin plate?

9. Is .50 jack screw shown on or near CL?

10. Are .50 dowels shown on CL?

11. Are forward stops required? If yes,

Is there only 4?


10/12

11/11/13 New Page 3


Are they near K.O. and hydraulic ejection cylinders?

12. Are they support designed?

13. Do support have socket head cap screw?

14. Is the ejector guide pin assembly to Standards?

Is the ejector guide pin assembly design complete?

15. Are handling holes shown & the same size if possible

in all of the following components?

a. Top of ejector plate?

b. Top or retainer plate?

c. Top of clamp plate (over 60 also in ends)?

d. Ends of rails?

16. I f quick kickers are required, are they designed?

17. Is there clearance for lifter rod access?

18. Are bolt holes required? If so, is design complete?

A. EJECTOR BOX & CAM MACHINING (Continued) CKD

19. Does clamp plate require valve gate manifold

accommodations?

a. Pockets for valve gate cylinders?


11/12

11/11/13 New Page 3


b. Channels for valve gate plumbing?

c. Is water required in clamp plate for valve gate

cooling?

20. Is standard H-Nut used for hydraulic ejection?

21. Is all hydraulic plumbing shown?

a. Main ins and outs. ( Type? Location?)

b. Are flow dividers required?

22. Is manifold electrical designed to customer specs?

23. Are plaques and schematics required? If yes, are

they designed?

a. Water? b. Hydraulics?

c. Electrical?

d. I .D. tab? (ALWAY S REQUIRED)

e. Any special purpose plaques?

24. Is stock list and purchase list complete?

25. Have the final prints been sent t o the customer?


12/12

11/11/13 New Page 3

26. Has the customer approved the designs?

new plastic technology

Documents