Industrial Machinery News

Archive for November, 2009

 مدادات الصلب هي اختيارا ممتازا للهياكل الكلمة ، ريدج كبيرة الحزم والجدران العالية. مصنوعة من بالغمس الساخن الصلب المجلفن والمصنعة باستخدام لفة تشكيل الآلات. مدادات هي مقاومة العفن ، دليل رطب ، وكفاءة الطاقة ، ويمكن إعادة تدويرها. وهي توفر للتحميل قدرة تحمل عالية من السهل تجميع ، وخفيفة الوزن ، ويصدق على وجود شكل. لفة تشكيل آلات مثل PurlinMaster Samco توفير مجموعة من الخيارات عند تصنيع هذه البنود البناء المشترك. هندسة المباني الهيكلية والاستفادة مدادات الصلب أفقيا ورأسيا. أوروبا الوسطى والشرقية وزي مدادات عقد الأحمال لسطح سطح ، تغليف ، ومعتمدة من قبل العوارض الخشبية وبناء الجدران. 

في الإنشاءات المعدنية لبناء سقف نظم مدادات يتم استخدامها بشكل متكرر ، ويتم تصنيعها من قبل تشكيل (أو منحنية) الباردة شكلت الصلب في أوروبا الوسطى والشرقية لزي (أو زد) الفروع. اسم آخر يستخدم لأوروبا الوسطى والشرقية الزد (أو زي) المقاطع في بناء جدار الفصل العنصري هو ‘جيرتس’. 

أعلى جودة لفة آلات تشكيل الاستفادة من تغير سريع في أكثر من عملية لتشكيل ملامح كل من (زي أوروبا الوسطى والشرقية) على نفس الجهاز. وبسبب هذه القدرة على التحول بين الأشكال لمحة من المهم جدا لتحديد لفة تشكيل الصنع التي لديها تاريخ من تقديم المدادة الآلات. التحول إلى الوراء والرابع من شكل الى شكل يمكن ان يؤدي الى سوء نوعية جزء إذا هو سوء تصميم المعدات. لفة الأعلى تشكيل المصنوعات مثل ماكينات Samco (المدادة ماجستير) أثبتت قدرتها على انتاج كل أنواع مدادات على آلة واحدة. 

تصاعد الخيارات ليست مشتركة وحتى عام المدادة 

مدادات تستخدم لتضييق الفجوة في عملية البناء وتتطلب مجموعة متنوعة من التشكيلات المتصاعدة. الثقوب في كمه على المدادة لتوفير خيارات متزايدة معيار لالمثبت. تنسيب هذه الثقوب أمر بالغ الأهمية ويتطلب كذلك آلات هندسية rollforming الذي يوفر درجة عالية من الدقة. تخيل الثقوب لكمات في لالمدادة مع التسامح واسع. أثناء التثبيت في موقع العمل انهم سيضطرون الى تعديل وإنشاء جمعيات جديدة متصاعدة. هذه العملية غير فعالة من شأنه أن يتسبب في اثارة الفوضى في موقع بناء عقد حتى التسليم ، وزيادة التكاليف. للتغلب على هذه بعض لفة تشكيل المصنوعات (http://www.samco-machinery.com) قد وضعت المتخصصة ثقب اللكم على حل هذه المشكلة. Samco ماكينات توفر مجموعة واسعة من الخيارات الثقب لاستيعاب أي شرط من نمط. من اللكم بسيطة موحدة لنظم مرنة لكمة ثقب دقيق في أي مكان اللكم أمر حيوي كما في إخلاص من أي المدادة.

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This is by far one of the most asked questions when considering food safety in the manufacturing environment.  There are many applications for industrial metal detection equipment throughout any processing system.  Some such as the conveyor metal detector are usually easy to access and test.  Conveyor systems are often at floor level and within easy reach of an operator.  Other systems such as gravity feed systems tend to be located off the floor and near the ceiling.  Accessing these systems is often difficult or impossible.  The third type of system commonly found in a food manufacturer is the pipeline metal detection systems.  This is an inline system used primarily for inspecting liquid or slurry products.  Although this system is often located at the floor level as is the case with a conveyor metal detector it presents the same difficulty in accessing it as a gravity feed system.

Metal Detector Testing Basics

1. Test in line with the product
2. Test regularly
3. Test the reject device

These 3 easy guidelines are the foundation to building a robust testing procedure that will meet many of your in-house quality control requirements.

Candy manufacturing requires a number of processes where ingredients are mixed, cooked and formed.  Inherently these processes introduce tramp metal (metal fragments) in to the candy.  Many candy manufacturers struggle with where to place the metal detector for optimum performance and protection for the consumer.

Food safety is an integral part of many food manufacturers’ quality programs.  Often these programs although desirable fail to both protect the consumer and maintain low levels of rejected product.  Metal detection systems are seen as a ‘non value added’ machine within the system of candy manufacturing.  I take a different view of this.  Contaminate detection is a high value added part of any process.

How can metal detection increase your bottom line?

Simply, reduce waste, protect your brand and lead the industry for safe product production.  Imagine what would happen if your product made it to market and caused a serious injury or worse death of a consumer.  How would you recover from this?  What would be the cost both immediate and long term?  The cost to recover from such a disaster would be in magnitude to the cost of implementing an effective contaminate detection program.

So what’s the right way to detect metal in a candy company?

Start first at the back door.  Here is were you have greater control of contaminates being introduced in to your process.  Place a metal detection system at each entry point such as rail car loading etc.  Using a gravity feed metal detection system (such as the Goring Kerr model 401) to detect metal with in the raw ingredients will help you take control of what your suppliers are selling you as well increase your ability to detect small pieces.  After this point look for areas where ingredients are mixed together and have a high potential for introduction of metal fragments (tramp metal).  Again this point is a low cost to the end product costs.  Finally have a metal detector after the product is packaged or just before.  This last resort will help to detect larger pieces of metal within the product.

Having several metal detection systems within your process may seem to add unnecessary costs but in fact help to reduce operation costs and increase product/brand equity.

Food processing often requires the protection of both the consumer and the processing equipment.  When food is made machines chop, grind, mix and form ingredients in to a final product.  This process inherently has risk for contaminates (tramp metal) to enter the finished product.  

So how do you protect consumers and equipment in a cost effective strategy? 

The use of conveyor metal detectors has been around for decades.  Often companies install a metal detection system at the end of the process in order to ‘catch’ the tramp metal just in time.  Although this is a good spot to have a metal detector it isn’t the best.  Having a metal detector at the end of any process typically has 2 major flaws in its strategy.

1)      Having a metal detector at the end of a manufacturing process will cost you more then any other location.  Why?  It is here where you have already spent all of your budget to produce a product, and now you’re going to throw it all away.  

2)      The end product is always large in size then its ingredients.  This will require a larger conveyor metal detection system to inspect that package.  The larger the opening (or aperture) of a metal detector the worse it’s ability is to detect metal.  In some case you will be lucky to reliably detect nuts and bolts with this strategy.

So what’s the solution to having an effective contaminate detection strategy?

Having multiple metal detectors in the processing environment is always the best strategy.  Placing them both where you can detect the smallest piece of tramp metal as well where you have incurred the least cost in manufacturing that product is best.  Also, taking in to consideration high risk locations where metal fragments typically enter the product stream.  This combined with a final inspection in the finished product will both help to protect your customers and reduce rejection of high cost products.

In many of today’s food manufacturing operations checkweighing devices are used to measure the accuracy of food production by weight.  Checkweighers can be used for either packaged or unpackaged products.  Typical uses are to measure the weight of products such as canned corn, boxed cereal or pharmaceutical pills.  You will also find these devices throughout the process making sure that the amount of ingredients used for each batch is accurately weighed.

Unlike standard scales a checkweigher is an inline device that automatically weighs each individual product as it moves past on a conveyor belt.  This continuous flow keeps production rates and through-put high and allows food producers to maximize there production capabilities. 

What happens to a product when it is either over or under weight?

As the package travels past the ‘load cell’ and is weighed a complex calculation is done to check if the package weight falls between the high and low limits set by the operator.  If the package falls outside this range an automatic rejection device removes the package from the product flow.  Typically this would be a kicker, diverter, air blast or lane diverter.  The removed package can then be further ‘worked’ to either remove or add product to the correct weight.

Many inline checkwieghers are either installed just after or just before a conveyor metal detector.  This ‘combo’ is often offered by both manufactures as an integrated system.  One can alert the other that a package needs to be rejected and the second device will ignore the package.  Both systems can then use the same rejection device cutting down on costs, space and maintenance issues.  

When looking for a checkweigher remember to understand clearly what you’re goals are and what the manufacturer is willing to guarantee.