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Extruder Twin Screw Reconditioning

NOTE: If sending in a screw for inspection that has plastic resin on it, then a SDS for the resin MUST accompany the screw.

We recondition Twin Extruder Screws for the following brands

Standard Repair

In most cases, twin screws can be rebuilt at a considerable cost savings over replacement. Individual elements can be replaced as necessary. In addition, we can change element order, add or eliminate mixing and kneading sections and provide general optimization of twin screw profile. Services for Plastics, Inc. can also check twin screws for shaft straightness and shaft twist.

Replacement elements can be manufactured from D-2 Heat Treated Steel, CPM-9V Heat Treated Steel or CPM-10V Heat Treated Steel for maximum abrasion resistance.

Process Improvement and Enhancement

When having problems with increased scrap and decreased throughput, SFP is your answer. Our engineers have over 50 years of combined twin screw experience. We have the capabilities to understand your unique application and to assist in the design that will yield the highest throughput with the best melt quality. For high shear, low shear, large throughput and high RPM speed, we have your answers.

Important Notes

• To help prevent loss during shipping, we suggest attaching a copy of your packing slip not only to the outside of the box, but also to the part itself.
• SFP will hold parts sent in for inspection for a maximum period of six (6) months, after which the parts will be scrapped at our warehouse (unless prior arrangements have been made).
• Parts to be returned to you will be shipped freight collect.
• All incoming parts for rebuilding, repairs, etc. must be shipped to SFP "Freight Prepaid" in a strong, reusable container. The Bill-of-Lading should be marked: MACHINERY PARTS, STEEL, CLASS 85, FREIGHT PREPAID. (Please Note: Freight companies will overcharge you if you do not fill out the Bill of Lading completely and accurately.) Smaller items weighing 70 pounds or less should be shipped via UPS Prepaid. In the event that items are received "Freight Collect", our Receiving Department must obtain approval from the Accounting Department prior to accepting the shipment. If the shipment is accepted, the customer will be billed for the freight plus a $35.00 Processing Fee. Terms for Freight Charges: Net 10 Days. A copy of the original freight bill will be sent with the invoice.

Preferred Packaging Method:

A. Use a strong, reusable wooden crate to transport barrel or feedscrew. Build one if not available.

B. Put the part in the crate and secure wooden blocks to prevent it from rolling.

C. Secure it further with several wooden 2 x 4s, cut to the crate's width. Position 2 x 4s directly above part and secure with nails.

D. Close the crate and secure lid with screws and banding.

E. Crate should be built for moving with a forklift.

Not Recommended For Transport:

A. Parts hanging unsupported over edge of skid; potential damage.

B. No supports to prevent parts from rolling into each other; potential damage.

C. Banding not strong enough to hold parts immobile; potential loss of parts.