Механическая работа И мощность простые механизмы1-4 класс
Определите мощность двигателя насоса если за время 10с насос поднимает воду массой 100 кг на высоту 1,2м
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какова частота ультрафиолетового излучения мощностью 40вт за 1 секунду=20x10
We specialize in making plastic injection mould which covers a great range. We make commodity mould, household appliances, vehicle, baby products, garden products and so on. Our products are both excellent in quality and reasonable in price. Your satisfaction is guaranteed. Mould Material: P20, H13, 718, 2738, NAK80, S136, SKD61 etc. Mould base: LKM, HASCO ect. Machine: CNC Cavity: Single/multi Runner: Hot/cold Design software: UG, PROE, CAD, CAXA ect. Plastic material: PP, PC, PS, PE, PU, PVC, ABS, PMMA ect. Mould life: 300,000-3,000,000 shots. Mould Following is the essential informations, for your reference... NameDescription Mould materialH13, 718, 2738, 1.2344 etc. etc. Mould baseENA customized CavitySingle/multi RunnerCold runner Design softwareUG, PRO-E, CAD, CAXA ect. Plastic materialPure or recycle PP Mould life300,000-3,000,000 shots Delivery time40-70days SpecificationDepends on customer's requirements. Previous Crate Mould for your reference Mould materialP20 Load ability75kg Dimension540x360x310mm Mould baseENA customized C45 Steel Cavity1 cavity Hardness of cavity&core30-33HRC Hardness of wear parts55--60HRC EjectionEjector pin at the slide RunnerCold runner Design softwareUG (Unigraphics NX) Plastic materialRecycle PP with glass fiber Mould Life500,000 shots Delivery time65 days for 1st sample, 5 days after sample approved The flow chart of the designing mould 1.R&D Customer sends us sample or drawings, we do modification as per customer asked. Some professional suggestion to help customer improve the product details ↓ 2.Negotiation The options of steel, delivery time, payment item, ect. ↓ 3.Place an order Customer confirms the plastic material, machine spec. special requirement on details. We start the drawings ↓ 4. Mould Design We make mould design on the basis of confirmed product design, accordingly customer machine spec. and requests to make mould design ↓ 5.Mold Tooling We start to make mold after mold design confirmed, Cut steel, CNC machining, polishing, sampling ↓ 6.Mold Processing mould process photos update to customers each week ↓ 7. Sample shoot T0 - T1: Checking if mould running corrects, the dimension, weight, wall thickness, if meet customer request, arrange samples to customer approve. ↓ 8. Delivery time Once sample approved, we will ship the moulds in 7 days after get customer shipping instructions. ↓ 9. Shipping By Sea or By air, Nearest port - Ningbo/Shanghai, Nearest airport: Shanghai/Hangzhou. Why choice ENA mould's moulding productus? 1. Our company is a collection research and development, production, sales for the integration of technology companies, provide one-stop production and sales service. 2. We have a high-level designers team and we adopt advanced machine as CNC\DMG\EDM\CMM. 3. We have first-class product quality, improve the mold design, advanced production and processing technology, reasonable price, the excellent ability to deliver on time. 4. With strict Quality Management system 5. We are all with high quality and customer demand as the center. We can tailor various kinds of products for each customer as per their requirements. The advantage and service of Ena mould 1.ENA Mould advise suitable steel to meet your output production demand 2.High speed performance 3.Air venting solution in the crate’s handle area 4.Prompt reply PLUS professional communication 5.Strict quality control 6.On time delivery 7.Good After-sale service Service of Ena mould Pre-sale service: Our company provide good salesman for professional and promptly communication. In-sale service: We have strong designer teams, will support customer R&D, If the customer send us samples, we can make product drawing and do the modification as per customer request and send to customer for approval. Also we will accord our experience and knowledge to provide customers our technological suggestions. After-sale service: If our product have quality problem during the guarantee period, we will send you free for replace the broken piece; also if any issue in using our moulds, we provide you professional communication. Company Information Taizhou Huangyan ENA Mould CO., LTD. has strict quality control system and high efficiency work team. We specialize in manufacturing plastic injection mould which covers a great range, including commodity, household appliances, vehicle, baby products, garden products & customized parts. The Plant is well equipped with the latest machines and can cater to all kinds of requirements of the injection plastic moulds. We set up perfect CAD/CAM/CAE system and we also believe in learning at a day to day basis and upgrade our facilities to be able to provide a better future for our customers. We own a whole set of advanced mould processing system, sophisticated equipment and professional workers who have high efficiency service consciousness. We wish to provide the best service at all times at minimum cost which is the guiding Motto of the company. Be confident with our quality, service and price, we keep long term business relation with our clients from USA, Argentina, Dubai, Spain, Syria, Italy, Korea, Brazil, Slovakia and Turkey. We received a high evaluation and recognition of our customers. We are warmly and sincerely looking forward to your visit and cooperation.IML Thin Wall Mould manufacturer website:http://www.enamold.com/
STYLETransparent Tempered Glass MODELIphone 6S MATERIALGlass COLORAs Pictures or Custom Color FEATURESimple and Protective Screen, Anti-Fall, Anti-explosivel LOGONo Logo or Custom Logo AVAILABLE MODELSAny Cell Phone Models LiteDEAL TERM PRICEPlease send inquiry MOQ100 Pieces / Color /Model PORTGuangzhou or Hong Kong PACKAGEOpp Bag, Blister Package or Custom Package LEAD TIME3-5 Days for Stock PAYMENTT/T, L/C, West Union, Paypal Transparent Tempered Glass for Iphone 6S Product Features: · UNIQUE – Three-layer film design provides extra protection for the iPhone 6s front touch-screen. · DESIGN – Specifically for the Apple iPhone 6 Phone 6s (4.7 inch screen version). · PROTECTION – Extra screen protection. · Attaches to the iPhone screen surface and leaves no remnants or residue after removal. · Each screen protector pack consists of three individual clear screen protectors.Transparent Tempered Glass manufacturers website:http://www.ckcellphonetech.com/mobile-phone-tempered-glass/transparent-tempered-glass/
Плотность глицерина равна 1260 кг на м3.Что будет происходить со стальным,парафиновым и стеклянным шариками одинакового размера,если их бросить в глицерин?Почему?Дайте соответствующиее обоснование. Плотность стали 7800кг/м3; плоьность парафина-900кг/м3; плотность стекла-2500 кг/м3. Сравните силы Архимеда, действующие на эти шарики.
коэффициент полезного действия механизма? а)А1/А2*100 % б)(А1 +А2)*100% В)А2/А1*100% Г) (А1-А2)*100%