moulding general english

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Macromelt MoldingLow Pressure Adhesive Injection Molding

Olaf Mündelein TIG-Assembly

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Macromelt Molding

• What is Macromelt Molding?

A process innovation positioned between casting and injection molding technologies

InjectionMolding

pres

sure

MacromeltMolding

casting

cycle time

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Macromelt Molding

• What is Macromelt Molding?

• Low PressureMacromelt Molding =

• Adhesive

• Injection Molding

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Macromelt Molding

• Encapsulation of ConnectorsTypical Applications

Advantages of low pressure adhesive injection molding• Protection against enviromental

conditions (heat, water, dust)• To obtain strain relief• Alu molds cheap to produce

Adhesive

Injection Molding

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Macromelt Molding

• Grommets / SocketsTypical Applications

Advantages of low pressure adhesive injection moldingAdhesive • To obtain strain reliefInjection Molding • To be able to get molded part

in its correct location

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Macromelt Molding

• Encapsulation of Electronic BoardsTypical Applications

Advantages of low pressure adhesive injection molding• No damage to the electronic partsLow Pressure• Protection against enviromental

conditions (heat, water, dust)Adhesive

• To build a housingInjection Molding

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Macromelt Molding

• What are the advantages of Macromelt Molding?

Low Pressure

• Injection pressure between 2 and 40 bar

• No damage of electronic parts

• Molds made of aluminium possible (low costs)

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Macromelt Molding

• What are the advantages of Macromelt Molding?

Adhesive

• To manufacture parts (connector, PCBs...) which are water tight

• To obtain strain relief on cables

• Macromelt products based on natural raw materials – environmentally friendly

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Macromelt Molding

• What are the advantages of Macromelt Molding?

Injection Molding

• Faster cycles than in casting applications

• Cycle times typically between 10 and 50 seconds

• Clean and simple to use process

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Macromelt MoldingThe Materials – Macromelt OM 6..

• Standard color - amber or black

• Based on natural raw materials

• Three types for different service temperatures

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Macromelt MoldingThe Materials – Macromelt OM 6..

Macromelt OM 652 / 657

• Operating temperature range: - 40 to + 100 °C

• Very good adhesion to different substrates

• UL 94: V0

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Macromelt MoldingThe Materials – Macromelt OM 6..

Macromelt OM 633 / 638

• Operating temperature range: - 40 to + 130 °C

• Good adhesion to different substrates

• UL 94: V0

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Macromelt MoldingThe Materials – Macromelt OM 6..

Macromelt OM 673 / 678

• Operating temperature range: - 40 to + 140 °C

• Adequat adhesion to different substrates

• UL 94: V0

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Macromelt MoldingThe Materials – Macromelt OM 710

• Operating temperature range: - 20 to + 140 °C

• Very good adhesion to PVC

• Plastic surface – Shore hardness D 40

• Very good resistance properties to various materials

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Macromelt MoldingThe Materials – Colors

• With master batches you would get nearly every color you need

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Macromelt MoldingThe Materials – Printing

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Macromelt MoldingThe Materials – Overview

Good resistance

UL94-V0UL94-V0UL94-V0Remarks

600 %400 %400 %400 %Elongation at rupture

D 40A 90A 90A 77Shore hardness

200-240 °C210-240 °C200-240 °C180-230 °CApplicating Temperatures

-20 °C-40 °C-30 °C-45 °CCold flexibility

-20/+140°C-40/+140°C-40/+130°C-40/+100 °COperating Temperature

PolyamidPolyamidPolyamidPolyamidChemical Base

AmberAmber / blackAmber / blackAmber / blackColor

MacromeltOM 710

MacromeltOM 673/678

MacromeltOM 633/638

MacromeltOM 652/657

Properties

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Macromelt MouldingTypical Project Procedure1. Collect the requirements

• Temperatures where he wants to use the parts

• Material(s) what we have to make tight, where we have to get adhesion to

• Resitance the customer needs for his product

(this 3 questions are the most important to find a possible adhesive)

2. Make spot test on the parts to get a first impression of the adhesion

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Macromelt MouldingTypical Project Procedure3. Test procedure

• Make samples for the tests:

• For this you need a trial mould, where you can make samples in a proffesional way. Often you have to make the samples with different adhesives.

• The customer has to make all his tests, so that he will be sure that the parts fulfil all his requirements

• If the test are successfull go to the next step. If not, try it again. Try a new adhesive, try a new design.... There you will need all ideas (yours, of the customer, of the mouldmaker)

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Macromelt MouldingTypical Project Procedure4. Production

• After a successfull test procedure you will know the right designand the right adhesive.

• With the design you will be able to calculate how many cavitiesare possible.

• With the production figures of the customer, it will be possible to find the right machine for him.

• After a successfull test procedure your customer will have the safety that all requirements are fulfiled.

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Macromelt MouldingTypical Function of a Moulding Machine

• Melting Unit (Hotmelt Applicator)

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Macromelt MouldingTypical Function of a Moulding Machine

• Hose

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Macromelt MouldingTypical Function of a Moulding Machine

• Nozzle

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Macromelt MouldingTypical Function of a Moulding Machine

• Mould

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Macromelt Molding

Machine equipment

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Macromelt Molding

Machine equipment

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Macromelt Molding

Machine equipment

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Macromelt Molding

Machine equipment

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Macromelt Moulding

3 Partner in the Field of Moulding Application

• Nordson• Responsible for the hotmelt applicator• Responsible for the service

• Henkel• Responsible for the hotmelt

• Workstation producer, distributor• Responsible for the workstation• Responsible for the moulds

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Macromelt Molding

Internet: www.macromelt-moulding.de