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Injection Mold inspection standards
Injection Mold inspection :appearance and dimension

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1:Water connector type is correct?The hole clearance for the water connector is enough? The out edge of the hole need chamfered and be constant.
2:Mark the water lines with ‘IN,’OUT’ and numbered clearly and tidily. e.g.INT1,OUT1.
3:Oil connector or pneumatic connector need be numbered with prefix "O" or "G",e.g. G IN1, O IN1.
4:The screw thread of water plug,oil plug and gas plug meet Tooling data sheet.
5:Is there any components outside the mold surface? If so, the stand off shoud be installed.
6:KO pattern and size meet requirment?
7:The fixing style and diameter of Locating ring meet Tooling data sheet.
8:Sprue bushing sphere radius must meet Tooling data sheet.
9:Mould overall size need meet the customer's press( tie bar space),and clamping method meets customer's requirement?
10:An arrow with "UP" marked should be engraved in the cavity plate or core plate for those molds for which installing direction is required
11:All the components need be numbered. And standard mold datum should be engraved.(provided by Viewmold)
12:All the components are not allowed to be made in house,Otherwise,the detailed checking report should be submitted to Viewmold.
13:Correct steel should be used, the steel certification need be submitted.
14:Screw thread for all the connector need be correct including eyebolts hole, K.O. hole.
15:No sharp edge,corner and burr outside the mold.

Injection Mold inspection: Eject, Return

1:Ejecting smoothly, No get stick, no special sound.
2:Lifter surface need be polish,lubricate slot need be manufactured, and heat or nitride treatment need be done (according to customer's requirement).

3:Slide or lifter stroke must be enough to meet requiremnt.
4:Lifter design must accord with Viewmold standard unless otherwise specified.
5:irregular ejector pin must be located.
6:Ejecting plate shoud return completely. 6
7:Space block with flat surface need be used for ejecting stroke.
8:Return spring need be standard component, No polish,no split.
9:The material for lifter, wedge block and gib need be heat-treated or Nitride treated, It meets customer's requirement?
10:Install limited switch for slide or hydraulic cylinder.

Injection Mold inspection:Pull system and Removing

1:Ejector pins need be standard,No pillow is allowed under the pin shoulder.
2:Top surface for return pin need be flat without weld;Neither Pillow nor weld is allowed in the bottom surface.The holes's clearance need be 0.07mm.
3:The clearance between return pin and B plate&ejector plate should accord with Viewmold standard, ( Note: for B plate, 0.07mm)
4:The clearance between ejector guide pin and B plate would be 0.05mm unless otherwise specified.(Accord with Viewmold design standard)
5:Part removal must be smooth.
6:Runner stripper plate goes smoothly with enough stroke.
7:Need inspect the steel dimensions and steel check report need be provided.

Injection Mold inspection:Cold Runner System

1:Internal surface of sprue bushing must be polished to drawing standard.
2:Runner channel must be polished to drawing standard.
3:The shape and size for runner channel need meet customer's requirement, The steel check report for gate must be provided by shop.

Injection Mold inspection: Hot Runner System

1:The wiring layout mumbered correspondingly is suitable? And it should be easy to repair.
2:Hot runner type must be correct and be inspected prior to arrival at the shop.
3:The assigned type and size of sockets need be specified with protective setting installed.
4:The wiring need match the drawing provided by shop.
5:Wires need be bundled and covered by plate to avoide breaking.
6:Connectors need be marked clerarly to avoid assembling wrongly when both size are same.
7:Control wire need protective cover,and No any damage.
8:Wires exposed outside the mold surface is not allowed.
9:The transition slot to allow the wire in the plate and manifold need be round to avoide any damage.

Injection Mold injection: Packing

1:Steel type,certification and heat-reat must meet customer's requirement.
2:Spread antirust in cavity and core.
3:Spread butter in sliding components.
4:Saftey locks(at least 2 pcs) should meet desining requirement. And rest hole should be made.
5:The files in CD are full? (see item E-9 in "project process flow")
6:Is there any special requirment for mold exterior surface?
7:Spare parts are full? And a detailed list need be provided.
8:Mold need be packed in plastic membrane when shipment.
9:Spread mold # with lacquer and marked the direction of placement.
10:Wooden box need be fixed firmly.
11:All the things in the packing list need be full.

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Viewmold Companys Mold design guideline
Injection Mold slide lifter standards
Injection Mold runner standards
Injection Mold cooling standards
Injection Mold venting standards
Injection Mold Ejector System standards standards
Injection Mold component standards
Injection Mold Hydraulic and Pneumatic standards
Injection Mold Design Check standards
Injection Mold Steel Grades standards
Injection Mold inspection standards

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