injection mold types

Tooling Approving Checking List

Injection Mold  Approving Checking List

At UPMOLD,all finished molds are approved by our QA department before shipping, and we have strict final inspection instruction to check our products that details as below <Final Moulds Inspection Checking List>.

                                   Tooling Inspection Final Checking list

Project Name: Project Number
Part Name: Part Number:
Tool Name: Tool Number:
Tool source: Customer:
Tool Steel: No of Cavities:
Resin: Machine Size:

CAVITY

What is the customer required core hardness
What is the hardness?
Is the material type and hardness stamped on bottom surface
of each cavity bloc Yes No
What is the required surface finish on the cavit
What is the cavity surface finish?
Is any EDM visible on cavity surface? Yes No
Does the cavity surface have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexcept Yes No
If yes what are the issues?
Are cavity molding surfaces free of scratches? Yes No
Are cutter marks visible on the cavity surface? Yes No
Does the cavity require texturing Yes No
What is the customer required texture
Is the cavity texture Yes No
If so what is the texture type?
Are ribs polished in line of draw? Yes No
Is any EDM visible in the rib Yes No
Are cutter marks visible in the rib Yes No

CORE

What is the customer required core hardness
What is the hardness?
Is the material type and hardness stamped on bottom surface
of each core block Yes No
What is the required surface finish on the core
What is the core surface finish?
Is any EDM visible on core surfac Yes No
Does the core surface have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexcept Yes No
If yes what are the issues?
Are core molding surfaces free of scratch Yes No
Are cutter marks visible on the core surfac Yes No
Does the core require texturing Yes No
What is the customer required texture
Is the core textured Yes No
If so what is the texture type?
If so what is the texture and depth?
Is Recycle Logo require Yes No
Are ribs polished in line of draw? Yes No
Is any EDM visible in the rib Yes No
Are cutter marks visible in the rib Yes No

SLIDES

Are slides tight? Yes No
Are slides loose? Yes No
Are the seal off angles under the slides >5˚? Yes No
If not what angle is it? Yes No
Are grease fittings installed? Yes No
Are the slides spring loaded Yes No
Is there a positive locking method for open positio Yes No
What is it?
Is it capable of holding the slide weight?
Are slides equiped with hydraulics? Yes No
If so are limit switches installed? Yes No
Slide Finishes
What is the customer required hardness?
What is the hardness?
Is the material type and hardness stamped on a non molding surface
of each lifter or slide? Yes No
What is the required surface finish on the molding sufaces
What is the surface finish?
Are ribs polished in line of draw? Yes No
Is any EDM visible in the ribs? Yes No
Do the slides have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexceptable Yes No
If yes what are the issues?
Are the molding surfaces free of scratches? Yes No
Are cutter marks visible in the ribs? Yes No

LIFTERS

Are guide bushing installed? Yes No
Are grease fittings and lines installed? Yes No
Do square lifter have grease groove? Yes No
Are the square lifters made with P20? Yes No
If so are they nitrided? Yes No
Are the square lifters made with H13? Yes No
What is the customer requested hardness
What is the actual hardness
Lifter Finishes
What is the customer required hardness?
What is the hardness?
Is the material type and hardness stamped on a non molding surface
of each lifter or slide? Yes No
What is the required surface finish on the molding sufaces
What is the surface finish?
Are ribs polished in line of draw? Yes No
Is any EDM visible in the ribs? Yes No
Do the lifters have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexceptable Yes No
If yes what are the issues?
Are the molding surfaces free of scratches? Yes No
Are cutter marks visible in the ribs? Yes No

INSERTS

What is the customer required hardness?
What is the hardness?
Is the material type and hardness stamped on a non molding surface
of each lifter or slide? Yes No
What is the required surface finish on the molding sufaces
What is the surface finish?
Are ribs polished in line of draw? Yes No
Is any EDM visible in the ribs? Yes No
Do the inserts have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexceptable Yes No
If yes what are the issues?
Are the molding surfaces free of scratches? Yes No
Are cutter marks visible in the ribs? Yes No
Are ribs polished in line of draw? Yes No
Is any EDM visible in the rib Yes No
Are cutter marks visible in the rib Yes No

PARTING LINE

Parting lines width
surface finish of parting line
Relief depth -land width.
Is any EDM visible in the ribs? Yes No
Do the inserts have a good visual appearance free of hammer
marks, dints, and machining marks deemed unexceptable Yes No
If yes what are the issues?

VENTING

Parting line vent width & depth
Are ejector pins vented? Yes No
Are runners vented? Yes No
Are guide pin bushings holes vented? Yes No
Is last place to fill vented? Yes No

VISUAL APPEARANCE OF PLATES

WELDING

Is weld map included? Yes No
Is there any other welding not on the map? Yes No
If welding was done specify the type of rod used and process

RUNNER & GATES

Is the runner to customer specified size and shap Yes No
What is the customer specified size?
What is the customer specified shape?
Runner
Runner surface finish?
Are cutter marks visible on the core surfac Yes No
Gate
Gate surface finish
What is the required ga
Is any EDM visible in the gate? Yes No
Are cutter marks visible in the gate? Yes No

ELECTRICAL, HOT RUNNER

Are customer specified electrical plug/plugs used Yes No
Is the customer specified wiring diagram followed Yes No
Is electrical box/boxes installed? Yes No
Is it the customer specified box? Yes No
Is the wiring plaque on the operator side of the mo Yes No
Hot tips, manifold, heaters, thermocouples – bench tes Yes No
Hot tip – drafted, polished in the line of dra Yes No
Is the customer specified surface contact between the hot drop an Yes No
Hot tip, flush/recessed when hot. Yes No
Wires in channels with hold downs and protect Yes No

COLD RUNNER

Is a sprue puller undercut machined into c Yes No
Is the sprue puller polished in line with ejection Yes No
is the ejector pin land 1″ below sprue puller under Yes No
If not what is it?

EJECTION SYSTEM

Is the Core sequencing provided on an attached plaq Yes No
If no why?
Are pressure transducers required? Yes No
Are pressure transducers installed? Yes No
Is mould equipped for Alba connectors? Yes No
Knock out pullback stud  – flush with clamp pla Yes No
 – correct thread Yes No
 – correct thread dept Yes No
 – correct counterbore de Yes No
Are knockout rod extentions required by the customer Yes No
If so are they installed, and flush to the surface
Are switches mounted and wired? Yes No
Is part and runner designed to fall clear? Yes No
If so does it fall clear? Yes No
Is part and runner designed for robot pickup? Yes No
If so does it stay on the mould? Yes No
If not why not?
Does it come freely off the mould? Yes No
Do we have enough space for robot? Yes No
How was it checked?
Ejector system – moves freely for the full strok Yes No
Are the ejector pin holes in the core square to bas Yes No
How was it checked?
Ejector pins guided square to ejector system? Yes No
How was it checked?
Do the ejector pin holes in the ejector plate line up with the ejector
 pin bores in the core? Yes No
How was it checked?
Cavity ejection
2 stage ejection
Does the mold have multi stage ejection Yes No
Do the latches pocket into the core and cavity plates Yes No
Does the multi stage ejection use spring loaded latches Yes No
pocketed into cavity plate? Yes No
Is so are shoulder bolts installed? Yes No
Is the surface to seat the shoulder bolt spotted flat? Yes No

HYDRAULIC SYSTEM

Does the mold have hydraulic ejection? Yes No
Are Flow dividers installed? Yes No
Are switches mounted and wired Yes No
Ejector system – moves freely? Yes No
Ejector pins guided square to ejector system? Yes No

COOLING

Are water lines stamped to customer specificatio Yes No
Are water lines numbered to customer specifications? Yes No
Are water lines correct size to customer specification Yes No
Are waterlines counterbored? Yes No
Are the o-rings pocketed on the core retai Yes No
Are the o-rings pocketed on the core? Yes No
Describe o-ring fit in groove
Are thequality of all o-rings good enough? Yes No
Have water lines been pressure tested (1 Yes No
Are there any water leaks? Yes No
If so where?
Do the water lines match the plaque? Yes No
Are all the baffles and plugs installed? Yes No
Are Jiffy connectors installed? Yes No
Are the customer specified fitting installed Yes No
Fitting names and model numbers
Is there enough space between fitting to install all the fittin Yes No
Are extention pipes used? Yes No
If so why
Water lines connected internally? Yes No
Water lines connected hard tubing Yes No
If so why?
Are water jumpers installed? Yes No
Are water lines sealed by so Yes No

MOULD FIT TO PRESS

Any obstructions on bottom surface of mo Yes No
If so what are they?
Is the customer specified locating ring installe Yes No
What is the customer specified locating ring size?
Is the locating ring at least 4MM higher than m Yes No
Is the customer specified sprue bushing install Yes No
What is Sprue radius orifice and size?
Are the eyebolts balance so the mould hangs strai Yes No
Safety Straps (2) (Red or contrasting Yellow). Yes No
Clamp slot size and locations
Are they to customer spec.? Yes No
Mould Length, Width, Height.
To swing mould, record corner to corner size.
What is customer specified K.O. holes size an
Mould K.O. holes size and pattern size.

MISCELLANEOUS

Should all screws not be machined and cut? Has allbeen Yes No
Guide pin length.
Is the customer specified Leader pin fit and installation do Yes No
What is the Leader Pin fit and installation process
Return pin length. (nothing contacting cavit
Are return pins spring loade Yes No
Pry bar slots. Yes No
Plates numbered and lettere Yes No
Insulation plat Yes No
Gate type used
Is cashew gate being u Yes No
cashew gate type (Name of manufacture or homemade)
Is ejection stroke long enough to fully eject cashew gat Yes No
Is shot counter required Yes No
Is shot counter installed Yes No
Are all screw heads below the surface Yes No
Are eyebolt hole threads deep enough to fully seat ey Yes No
If no describe situation
Are there threaded lifting holes in all parts over 50 lbs (22. Yes No
Have all mold