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26.03.2019

Article

Identical Twins: Double Setups for Grinding the Smart Way

A matter of ideas or: How grinding becomes as easy as 1, 2, 3 — Sometimes, situations require us to reinvent the wheel. Taking another perspective, gaining new insights from an external user’s perspective, or getting to the bottom of an issue, can help us to find an original solu...

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04.12.2018

Article

There is no alternative to testing when it comes to grinding new products

The mills used to manufacture pharmaceuticals are becoming increasingly diverse: New requirements are demanding optimised processes and innovative approaches. But the sums all have to add up in the end despite all the technical possibilities.

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11.06.2018

Article

Equipment for Particle Size Reduction of Solids Materials in a Range of Applications

During Achema 2018, powder size-reduction equipment company Frewitt is featuring a hammer mill and a solids crusher at its stand. The company’s hammer mill, known as the Fredrive Hammerwitt, combines multiple milling technologies in a single milling platform.

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08.06.2018

Article

High-Containment in the High Mountains: Chilean Pharmaceutical Manufacturer Uses HPAI Production Plant

Where do you look to find someone with the initiative to precisely install a sophisticated high-tech system in the country which the locals say is “at the end of the earth”? An initiative such as this is anchored in the heads of visionaries who are undeterred by borders and barri...

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02.03.2018

Article

Containment in Process Engineering

A paradigm change in solids production is underway in the chemical and pharmaceutical industries. The trend to increased specialization and higher-potency active ingredients creates the need for hermetically sealed process flows. To an increasing extent, the production process wi...

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10.03.2016

Article

How pharmaceutical manufacturer could fulfill Atex in grinding processes

Milling products is one matter. Finely milling products in compliance with Atex to a particle size of 75 µm is another. In order to ensure perfect Atex compliance when finely milling different products, all the conditions have to be in concert.

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22.09.2015

Article

Quick Changeover between Grinding Processes

The Fre Drive makes possible what many operators can only dream of: Adjusting production levels and requirement via different milling processes with changeovers in record time.

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15.06.2015

Article

A Universal Milling Platform for Special Applications

The Fredrive is a universal platform that allows the rapid attachment and detachment of up to five different grinding heads, so that the machine can be used for a host of special applications.

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03.06.2015

Article

Small Particles and High Safety

Due to their high fineness and throughput hammer mills are enormously popular. But if production calls for explosion-safe processing in a cleanroom special technical Know-how must be assured.

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05.05.2015

Article

How to Design an Explosion-Safe Milling System

The basics of explosion protection apply not only to refineries and paint manufacturers, mill operators are also concerned. Hammer mills users find themselves on the front line of explosion prevention, as the powders must be very finely milled with high RPM's.

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08.05.2014

Article

How a Hammer Mill Fulfills the Quality Demand of a Pharmaceutical Company

The mindset in R&D departments of pharmaceutical companies has changed. There is no longer a question of finding the right machine, but rather adapting the machine to the process and the product to the customer. Read this article about a modified hammer mill, which provides r...

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09.01.2014

Article

Made to Order: Milling Nougat and Almonds with an Oscillating Sieve Mill

In order for nougat to give the sensation of melting in one’s mouth, it must be ground to a precise fineness. One of the secrets behind the full flavor release lies in the correct grain size. The same is true for roasted almonds. Read the article and find out, why a oscillating s...

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17.05.2013

Article

Milling of Active Ingredients: A Matter of Heartfelt Importance

Every day, a team of more than 3,000 researchers in a particular pharmaceutical factory attempt to improve the effectiveness of medication. This article will highlight how the effectiveness of process steps is also closely examined, which may at first appear insignificant — espec...

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25.07.2012

Article

Gentle Size Reduction and Grinding of Pharmaceuticals in a Single Device

The deagglomeration and grinding of raw materials are decisive factors as far as quality is concerned in the preparation of medications. This is illustrated by a practical example: metformin, an active substance used by Novartis for manufacturing medications for adult-onset diabe...

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09.06.2011

Article

Milling the Gentle Way - A Sieve Mill for Heat Sensitive Products

New, yes, but based on tried and tested principles yet with improved ergonomics — that was the thinking of the designers at size reduction specialist Frewitt as they developed the OscilloWitt, their latest technology for the gentle milling of heat-sensitive products.

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03.05.2011

Article

Three-in-one Solution

The HammerWitt-LAB from Frewitt is a hammer mill for R&D and small production quantities of up to 300 kg/h.

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09.10.2010

Article

Heavy-Duty Oscillating Sieve Mills Fit the Bill for a Manufacturer of Herbal Products

Instant herbal teas from Swiss natural products manufacturer Ricola are very popular with consumers. To allow the teas to unfold their full soothing effect, they are produced with the help of a special method which ensures a consistently high fraction of active ingredients and fl...

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24.03.2010

Article

Continuous Metering of Particle Size — a Special Optical System Combines Speed and Accuracy

Laboratory analysis using graduated sieves is a tried and tested way to determine particle size distribution in the management of grinding operations. But although it is accurate, sieving is time-consuming. A new inline particle size measurement system brings the accuracy of siev...

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20.01.2010

Article

Statistical Analysis — a Suitable Method to Determine Milling Process Parameters

The reason for unsatisfactory results with milling process optimizations lies in the critical quality parameters. Using a conical sieve mill as an example, the article will show that it is possible to determine the correct process parameters by means of statistical analysis.

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01.02.2007

Article

A New Hammer Mill from Frewitt Resists Pressure Shocks up to 10 bar

The new MFH-6 pressure shock resistant hammer mill from Frewitt Ltd provides size reduction to meet the highest standards of quality and safety. For milling products where there is a risk of dust explosions, the machine can withstand internal explosion pressures of up to 10 bar. ...

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