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676
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Friction
'Dry' friction (as opposed to 'fluid' or 'lubricated' friction) is the force resisting lateral motion between two solid surfaces in contact.
It divides into:
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double lap shear
Lap shear testing is used where an adhesive bond joins flat surfaces.
The required surfaces may be profiled, single, double or multiple, but standard test methods focus on a single joint.
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Flexure
Flexural or bend testing is used It is a way of determining how something will react when it is put under opposing forces across a span.to evaluate both the ductility and soundness of a material.
679
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Closure torque
Closures and caps must be applied tight enough to maintain a seal and to resist working loose, but they must not be applied so tightly that the end user cannot reasonably remove them.
680
Test Frame
MultiTest-dVテストフレーム
MultiTest-dVテストフレーム2.5キロニュートン(550 LBF)の容量を右に2 Nの張力と圧縮を適用するように設計されたボールねじ駆動の電動テストフレーム。その用途の広い構造により、品質管理またはR&D環境であらゆる種類のコンポーネントをテストするのに最適です。テストフレームを表示
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Paper & Board
Paper and board are used in a wide range of applications and, as such, they undergo various stages of processing which place significant demands on their material strength.
682
Case study
肩プロテーゼの引張試験
要件ブライトン大学医学部の著名な整形外科医であるKeithBorowsky氏は、肩の再建のための新しい整形外科用プロテーゼを開発しています。肩のプロテーゼは、高齢者の転倒で骨折した肩の代わりに使用され、高エネルギーの自動車衝突や直接的な激しい外傷の後に発生することもあります。それらはまた、関節炎患者など、肩の交換が必要な他の状況にも適用できます。
683
Case study
ポリエチレンフィルムの引張試験
要件Eurofilm Mantzaris SAは、包装および農業用途に使用されるポリエチレンフィルムの大手メーカーです。彼らは、引張試験装置を、降伏時および破断時の引張強度とPEフィルムの伸び限界を測定できる機械にアップグレードして、標準DIN 53455に準拠する必要があるため、メクメシンにアプローチしました。新しい装置が重要でした。自動統計計算を行うことができ、個々の試験片の性能とバッチの傾向に関するフィードバックを即座に提供できます。
684
Case study
段ボールのエッジクラッシュテスト(ECT)
COVID-19の封鎖の数週間にわたって、宅配が急増し、オンライン小売大手でさえ、需要を満たすのに苦労し、新しい労働者の艦隊を雇いました。荷物を受け取るためにドアをノックする音を聞くと、多くの人に小さな正常感と喜びがもたらされます。そして、商品の普及をきちんと安全に可能にしているのは、謙虚な段ボール箱です。段ボールは、家庭での配送だけでなく、公衆衛生サービスの最前線で使用されるオブジェクトでもあり、非常に必要な医療機器の大量配送を可能にします。
685
Case study
Bulk liquid carrier closures
Customised engineering example
Our client manufactures liquid bulk carriers fitted with two-part plastic valve closures. The collar is welded to a plastic bag, and the valve closure is fixed onto it by a compression joint.
687
Case study
Syringe plunger breakaway and glide force
Customised engineering example
The majority of syringes are single-use, disposable and manually-operated.
689
[Page extract]
BS EN 671-1
Fire hydrants, Fire hoses, Firefighting equipment, Flexible pipes, Fire hose reels, Hose reels, Fire safety in buildings, Performance, Approval testing, Corrosion tests, Ageing tests, Flow measurement, Endurance testing, Impact testing, Pressure testing
690
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ASTM D1002
This test method covers the determination of the apparent shear strengths of adhesives for bonding metals when tested on a standard single-lap-joint specimen and under specified conditions of preparation and test.
691
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BS EN 2243-3
Air transport engineering, Adhesives, Metals, Cellular materials, Peeling tests, Adhesion tests, Tensile testing, Test specimens, Specimen preparation, Testing conditions, Test equipment
692
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ASTM D1683
This test method measures the sewn seam strength in woven fabrics by applying a force perpendicular to the sewn seams.
693
Case study
Medical sharps bin puncture resistance
Customised engineering example
International standards (ASTM F2132, BS 7320, BS 23907) specify the puncture resistance of medical sharps containers.
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[Page extract]
Electrical switches and connectors
Switches and connectors may be low-cost simple electro-mechanical devices but they are ubiquitous in millions of products and devices we use every single day.
695
Page
Accessory catalogue
Choosing your accessories
To achieve accurate test results it's important that your sample is gripped and held correctly.
696
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BS EN ISO 12625-12
Specifies a test method for the determination of the tensile strength of perforated lines of tissue paper. It uses a tensile-testing apparatus operating with a constant rate of elongation.
697
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BS EN 863
Protective clothing, Clothing, Perforating tests, Penetration tests, Mechanical testing, Tensile testing, Test equipment, Specimen preparation, Performance testing
698
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BS EN 28510-1
Test for measuring resistance to peeling at a nominal 90°, particularly suitable for adherends that are insufficiently flexible for a 180° peel test.
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Springs
Springs are elastic objects used to store mechanical energy and they change shape in response to external forces, returning to their original shapes when the forces are removed.