Welcome to PowerStream Polymer Products
New: We also make inexpensive injection molds for start-ups and low quantity production.

PowerStream Polymer Products is a Lund Instrument Engineering, Inc. Company.

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PowerStream Technology is in the business of helping other companies develop products. To support this vision we have set up a plastic injection molding operation with seven presses.

We offer boutique services for small runs and special plastics. We also offer large production services.

We have experience with many resins, including ABS, Polyethylene Nylon, Delrin ™ and Polypropylene. We also specialize in TPE (theromoplastic elastomers) such as Kraton ™, which are a range of injectable soft plastics similar to silcone rubber.

Lasting relationships are the ones that pay off.
Three of the PowerStream Polymer Products Presses
We have seven injection molding presses. Three horizontal Toshibas, one horizontal Boy, one vertical Morgan, and two vertical Boys.
Installing a mold on a Toshiba press
Our injection molding staff has many years of experience in many different types of injection molding including insert molding, cable and connector molding, and overmolding.
our new Doosan mill making chips This is our new Doosan mill cutting chips in nano-smoothing mode with the arbor running at 20,000 RPM. It is impossible to know if it actually cutting metal until the end of the run when the cooling jets turn off.
We have first class mold making capabilities

New! 3-D printed molds

Make a small part mold for less than $800.

This part is a star that fits onto Christmas tree
lights. Two identical pieces snap onto each other to form the star. The snaps
are too fragile to be made with 3-D printing, but the molded parts work
perfectly. We have made over 1000 parts with this mold in polyethelyne without
any noticable degradation of the mold.

Because of the low thermal
conductivity of the SLA material it takes a minute cool-down between shots, so
it isn’t suitable for low-cost production.

The parts show the stepped digitization of the SLA printing process, but adequately show that the parts work as designed, and has produced a fully functional part using injection molded polymer that cannot be 3-D printed.

Injection
Mold Equipment:

  • 3-D Printer, parts up to 12 x 16 x 10

  • 50 Ton Boy

  • 50 Ton Toshiba

  • 120 Ton Toshiba

  • 150 Ton Toshiba

  • Two 15 Ton Boy Vertical presses

  • Morgan Press

  • Toshiba 250 Ton

Mold
Making
Equipment

 

  • 2018 Doosan machining center

  • Agie Sinker EDM with small hole capabilites

  • Sharp Sinker EDM

  • Rotary head for the EDMs

  • Heat Treating Furnace

  • Bridgeport 3 axis CNC Easy-Track

  • 2 Manual mills, Bridgeport and Sharp

  • Takisawa Tool Lathe

  • Chavalier Surface Grinder

  • Westhoff Micro Drilling Machine

  • Argofile Ultrasonic Lapper

  • 2 Engis Di-Profilers

  • Optical Comparator

  • Inspection and QC equipmen