Across International 75mm ID with 8mm Copper Tubing Insulated Vertical Induction Coil

Save $1.78 USD
Power Lab Supply 2SKU: IHVC.75.8
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Sale price$87.22 USD Regular price$89.00 USD

This coil is height adjustable with an insulation paint to prevent sparks or short circuit caused by work piece touching the copper tube. They are specially designed for heat penetration and melting applications.


Coil outer diameter (OD)
90 mm
Coil inner diameter (ID) 75 mm
Coil height 60 mm
Coil length (away from machine) 300 mm
Copper tubing
8 x 8 mm
Coil style
Dual-tubing, 3 turns
Feed direction Vertical
Coil wrap Insulation sleeve
Compatible crucibles 150ml graphite crucible sets

Attention! ALWAYS wear protective eyewear/googles during operation.


It is within the induction coil that the varying magnetic field required for induction heating is developed through the flow of alternating current. So coil design is one of the most important aspects of the overall system. A well-designed coil provides the proper heating pattern for your part and maximizes the efficiency of the induction heating power supply, while still allowing easy insertion and removal of the part.

Induction coils are normally made of copper tubing - an extremely good conductor of heat and electricity - with a diameter of 1/8" to 3/16"; larger copper coil assemblies are made for applications such as strip metal heating and pipe heating. Induction coils are usually cooled by circulating water, and are most often custom-made to fit the shape and size of the part to be heated. So coils can have single or multiple turns; have a helical, round or square shape; or be designed as internal (part inside coil) or external (part adjacent to coil). There is a proportional relationship between the amount of current flow and distance between the coil and part. Placing the part close to the coil increases the flow of current and the amount of heat induced in the part. This relationship is referred to as the coupling efficiency of the coil.

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