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Tag Archive: hammer mill

  1. Get Swept Away by our Classifying Processes

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    Precision crafting, stringent quality standards, machining capacity, and fast turnarounds — these are the defining characteristics of our replacement parts program. From liners or rotor discs, hammer sets, classifier wheels, and spindle assemblies — we are experts at building close tolerance components from abrasive resistant and high temperature hardened refractory metals and ceramics. We also offer specially designed liner coatings for high temperature, corrosive, or abrasive applications.

    If you need a spare part for CMS equipment, then be assured that we have it in stock for immediate delivery or that we can manufacture the component or part in record time. Need a replacement part for equipment from another manufacturer? We can accept your component or part drawing, or travel to your facility and validate the fabrication specifications, then manufacture and maintain an inventory on hand for immediate fulfillment.

    Anything more? Yes, our warehousing and assembly locations have easy access to major highways, ports, and airports, further ensuring rapid and reliable delivery. So the next time you are sourcing replacement parts, think CMS—we will be excited to hear from you.

    In the meantime, please see more details of our replacement parts program.

  2. Pin Mill vs. Hammer Mill: A Contrast and Comparison

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    Pin Mill

    The two most common grinding machines used by industry are the pin mill and hammer mill. Both mills have fundamentally unique features that make them suited for a wide range of materials production.

    Pin Mill
    The Pin Mill, unlike the Hammer Mill, consists of a series of pin breakers hinged to discs in the grinding head where it delivers high-energy impact. Pin Mills use shearing and impact methods; however, with a faster tip speed of intermeshing pins when compared to a Hammer Mill. Centrifugal force brings the particle sizes to the grinding chamber’s periphery for collection or further processing. The milling process will produce particle sizes down to ultra-fine micronized sizes +/- 10 µm. Particle sizing generated by the pin mill is the product of rotor tip speed, airflow rate, the feed rate of the material, as well as the morphology of the feed material. The milling process balances additions and reductions of airflow, feed rate, and rotor speed.

    Hammer Mill
    The Hammer Mill, one of the oldest and widely used grinding mills, typically consists of four or more hammers attached on a central shaft enclosed by a metal casing. The mill performs particle size reduction via high-speed impact of hardened steel rotating hammers. Particle size reduction occurs in three actions: repeated hammer impact, particle collisions with the chamber wall, and particle-to-particle impact. Screens (set at a specified cut point) retain coarse particles for further grinding while allowing product sizes below the cut point to pass. Achieving the target particle sizing is a function of rotor speed, feed rate, hit resistance, clearance between grinding plates and hammers, and screen size.

    At Classifier Milling Systems, we manufacture both pin mills and hammer mills as well as the leading air classifier mills and a broad range of milling technologies and products designed to give you the fine grind that suits your unique needs. We are a dedicated team with expert knowledge of particle size reduction. We guarantee exceptional service every time. We also guarantee performance!

  3. The Hammer Mill and Pharmaceutical Production

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    No pharmaceutical processing facility is complete without the Hammer Mill. Versatile and requiring relatively small footprints, hammer mills are suitable for product development and production of coarse through ultra-fine powder production. Hammer Mills can also be equipped with integrated lifting columns to fit into almost any processing line.

    the-hammer-mill-and-pharmaceutical-production

    Hammer Mills are excellent for reprocessing and recovering off-products, positioning materials for milling again, thereby reducing waste, increasing productivity, and lowering unit costs. More advanced mills utilize a dual-sided blade assembly, where one side serves as the hammer to impact dry materials while the other to knife through the wet ingredients. Some Hammer Mill rotor assemblies are reversible without disrupting the rotation of the mill. Hammer Mills can be employed to reclaim rejected tablets to powder form. Incorrect hardness, overweight/underweight, and poor appearance are among reasons that tablets are unacceptable products. But, despite rejection as a consumer product, the essential powders are typically recoverable.

    Shock-resistant Turbo Mills find a place in the pharmaceutical industry when working with higher-toxicity APIs (which can heighten risks for dust explosion) and for +/- 10 bar shock resistance.

    Want to learn more from Classifier Milling Systems? Give us a call or contact us!

  4. CMS Hammer Mill: Grinder Spotlight

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    As the premier choice of various chemical and manufacturing plants around the globe, the CMS Hammer Mill series is undeniably dependable. Current installations of CMS Hammer Mills include a wide range of applications, including facilities for cryogenic grinding of cosmetics. The CMS Hammer Mill series is available in sizes up to 150HP, constructed with unbreakable fabricate or stainless steel. Current installations of CMS Hammer Mills include cryogenic grinding of cosmetics, rubber, plastics, nutraceuticals, and a range of agricultural food-stocks.

    • Rugged, requiring minimal maintenance when compared to most grinding systems
    • Single access point for easy maintenance, cleaning, and service
    • Accommodates a wide range of particle sizes (typically for milling to +/-45 µm d90)
    • A leading mill for size reduction of brittle (friable) material
    • Durable housing and a unique lightweight rotor design

    Want to learn more? Give us a call or contact us!

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