Canadian Biomass Magazine

High-capacity chipper produces pin chips

January 20, 2017
By West Salem Machinery Co.

Jan. 20, 2017 - The new WSM Pin Chipper is a high capacity fibre preparation machine that converts lower value mill residuals (shavings and hogged wood) and alternate fibre supply sources into a high percentage of “pin chips” with long fiber length.

The WSM Pin Chipper is available in rotor diameters of 42”, 48”, and 60” and rotor lengths from 36” to 88” long and typically operates with 200-800 HP. Modular and adjustable tooling includes either rigid or swing hammers with replaceable tips, combined with modular sizing screens allow adjustment to product sizing. Field proven performance at rates up to 75 tph, and when combined with a WSM pre-screen the processing rate is confirmed at rates of 150+ tph. System integration into your woodyard is no problem – WSM offers complete infeed and outfeed options to help you supplement your chip supply with lower cost fiber from the WSM Pin Chipper.

Need to see it to believe it? WSM’s test lab can process your material to demonstrate how the WSM Pin Chipper performs on your specific low cost fibre materials.

This machine isn’t for everyone – but where it’s a “fit” – it’s a game changer. If you are looking for a way to reduce incoming fibre cost and can handle a percentage of “pins” and “fines” in your pulping process, then the WSM Pin Chipper can deliver substantial value by expanding your sources of wood fiber, reducing hauling costs, and substituting high cost fiber with low cost fiber.

To learn more about WSM’s Pin Chipper and how it might benefit your operation, visit, email us at, or call your WSM technical specialist at 800 722 3530 to discuss your application in more detail, or schedule a test on your materials.


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