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951
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。
952
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。
953
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。
954
[Page extract]
BS EN ISO 9163
Textile glass, Roving (fibre), Textile fibres, Test specimens, Textile testing, Fibre testing (textiles), Tensile testing, Impregnated materials, Dimensions, Sampling methods, Test equipment, Specimen preparation, Testing conditions
956
[Page extract]
Standards and specifications
Fastening torque testing is governed by international and sector-specific standards to ensure consistency and repeatability:
957
[Page extract]
BS EN 388
Abrasion resistance up to 8,000 cycles
Blade resistance
Tear resistance
Puncture resistance
958
[Page extract]
BS EN 2591-412
Covers a method of assessing the insertion/extraction forces for contacts used in elements of connection.
959
[Page extract]
BS EN ISO 2062
Yarn, Packages (yarn), Textile products, Textile testing, Yarn testing, Tensile testing, Elongation at fracture, Breaking load, Wet-strength tests, Strength of materials, Specimen preparation, Testing conditions, Test equipment
961
[Page extract]
Equipment and techniques
Accurate T-peel testing requires precise, calibrated instruments.
962
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.
964
Case study
Syringe plunger breakaway and glide force
Customised engineering example
The majority of syringes are single-use, disposable and manually-operated.
965
[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
967
[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.
968
[Page extract]
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.
969
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.
970
[Page extract]
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.
971
[Page extract]
Calculating secant modulus
Accurate calculation requires stress-strain data, typically obtained from tensile, compressive, or
972
[Page extract]
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
973
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