Mold

In this paper, three conformal cooling channel designs are proposed for obtaining uniform cooling over the molded parts. The research is conducted by using CAE software (MOLDEX 3D) to simulate the injection process and compare the results of three conformal cooling channel designs with molded part cooling by moldbase.

8p vifilm 11-10-2024 1 1   Download

The research is an approach to multi - response optimization of injection molding process parameters. In this author uses Moldex 3D to analyse the injection molding process. The experiments are plotted using L9 orthogonal array, which is generated with the help of DOE module in Moldex3D software.

8p vifilm 11-10-2024 3 1   Download

According to statistical data of many countries in the wold, the more proportion of patients in hip replacement have, the more prosthetic infection have been treated. In Vietnam, treatment of prosthetic infection is often difficult beacause of antibiotic resistance, high cost treatment and difficult rehabilitation in post-surgery.

14p vifaye 20-09-2024 3 1   Download

The 3D printing PMMA/ZrO2 filaments with a diameter of 1.75±0.05 mm were fabricated by using a single-screw extruder at temperatures of four heating zones of 190, 200, 210, and 210°C. Testing samples were prepared from the extruded filaments by using a fusion deposition modeling 3D printer and a Haake MiniJet piston injection molding machine. Fourier transform infrared spectroscopy, mechanical properties, field emission scanning electron microscopy (FESEM), differential scanning calorimetry, and thermogravimetric analysis of the filaments were investigated.

9p dianmotminh02 03-05-2024 3 2   Download

Continuing from part 1, part 2 of the textbook English for mechanical engineering presents the remaining content as follows: lasers, corrosion, plastic injection molding, welding technology, computer integrated manufacturing, special machining technologies, applying for a Job. We invite you to consult!

64p gaogao2708 21-04-2022 41 14   Download

Three bio-agents i.e. Trichoderma viridae, Trichoderma harzianum and Trichoderma aspergillum were evaluated against Botrytis cinerea under in vitro condition. Culture disc of fungal bio-agents and pathogen were taken from the growing cultures and transferred to PDA contained in 70 mm petridishes on opposite sides approximately at one cm from the wall of the plate. Among these three bio-gents Trichodema harzianum showed best mycelial growth inhibition of Botrytis cinerea.

5p nguaconbaynhay7 15-08-2020 14 2   Download

Hiện nay, máy in 3D với công nghệ FDM (Fused Deposition Molding) được nghiên cứu và phát triển rất nhanh bởi những ưu điểm so với các phương pháp gia công truyền thống như độ chính xác, tốc độ cao, chi phí thấp và tiết kiệm thời gian sản xuất. So với các công nghệ in 3D khác đòi hỏi cao về mặt công nghệ, phức tạp trong khâu chế tạo, vận hành thiết bị, chi phí chế tạo cao thì công nghệ in FDM tương đối phù hợp cho việc nghiên cứu về công nghệ in 3D và ứng dụng trong tạo mẫu nhanh sản phẩm.

9p kethamoi6 01-07-2020 180 28   Download

Epoxy resin blended with Unsaturated polyester resin and filled with TiO2 filler. ultrasonic mixing process. TiO2 nanoparticles were used as reinforcement in prepared by cast molding method with filler volume fractions (0%,1%, 2%, and 3% ).

10p lucastanguyen 01-06-2020 12 2   Download

Trong những năm gần đây, ngày càng có nhiều kĩ thuật mới được ứng dụng trong công nghệ đúc phun nhựa (Injection molding). Trong đó, phương pháp làm nguội theo xung động dòng chảy (Pulsed cooling) được ứng dụng nhằm nâng cao hiệu suất làm nguội trong quá trình đúc phun, cũng như rút ngắn thời gian gia công sản phẩm.

10p ketaucho 20-11-2019 55 4   Download

A dynamic nanoindentation method was applied to study an Fe-18 at.% Gd alloy as a neutron-absorbing material prepared by vacuum arc-melting and cast in a mold. The Fe-18 at.% Gd cast alloy had a microstructure with matrix phases and an Fe-rich primary dendrite of Fe9Gd. Rietveld refinement of the X-ray spectra showed that the Fe-18 at.% Gd cast alloy consisted of 35.84 at.% Fe3Gd, 6.58 at.% Fe5Gd, 16.22 at.% Fe9Gd, 1.87 at.% Fe2Gd, and 39.49 at.% b-Fe17Gd2. The average nanohardness of the primary dendrite phase and the matrix phases were 8.7 GPa and 9.3 GPa, respectively.

5p minhxaminhyeu4 26-06-2019 17 1   Download

(BQ) This paper is devoted to a study of the influences of EDM parameters on surface roughness for machining of 40CrMnNiMo864 tool steel (AISI P20) which is widely used in the production of plastic mold and die. The selected EDM parameters were pulsed current (8, 16 and 24 A), pulse time (2, 3, 4, 6, 12, 24, 48 and 100 s) and pulse pause time (2 and 3s). It was observed that surface roughness of workpiece and electrode were influenced by pulsed current and pulse time, higher values of these parameters increased surface roughness.

4p xuanphuongdhts 27-03-2017 51 4   Download

Presentations "report design and manufacture of plastic injection molds" was conducted with the following contents: The thickness of the product, the relevant defects, warping, how to fix, corner boards, tendons, tendon increases hard, protruding lug, lug sticking design, holes in the product, ... Invite you to consult the documentation.

30p danhnakg 23-09-2016 54 5   Download

Presentations "report design and manufacture of plastic injection molding injection molds 2 plate" was compiled with the following contents: Structure, operation principles and application. To master the content knowledge scratch paper invite you to consult the documentation.

17p danhnakg 23-09-2016 50 8   Download

Presentations "report design and manufacture of plastic injection molding injection molds 3 plate" is made with the following contents: Structure, operation principles, applications, features recognizable. To master the content knowledge scratch paper invite you to consult the documentation.

12p danhnakg 23-09-2016 60 7   Download

Report Design and manufacturing plastic injection mold with hot runner is made on the drop contents: Constitute, hot runner, plastic funnel, functional parts of the hot runner, mouth spray. To understand the content of the report knowledge invite you to consult the documentation.

10p danhnakg 23-09-2016 53 7   Download

In this work short bamboo fibre with dimensions 250µm was used to commute part of glass fibre to reinforce Bulk Molding Compound (BMC) materials based on unsaturated polyester. It was found that the physico-mechanical properties of this material with weight ratio short bambo/glass fibres 34/66 as good as of glass fibre reinforced BMC material of IDI Industrial Dielectrics Inc., USA.

4p uocvong04 24-09-2015 40 3   Download

This paper presents the result of research on equipment development of vacuum injection molding technique for preparation the chopped bamboo fiber polymer composite and some properties of obtained composite material. For the vacuum injection molding technique, firstly the dry fibers were plated in the mold. Then the mold was closed by the vacuum bag, the air inside the mold was sucked out by a vacuum pump, due to the difference of the pressure in side and outside the mold, the polymer liquid was transferred to the closed mold and impregnated the bamboo fiber.

7p uocvong01 24-09-2015 68 4   Download

This paper present the results of research on designing mold for vacuum infusion technique for preparation the polymer composite material. Specimens of varrious methods of vacuum technique have been prepared and their mechanical and structural properties have been studied. The results show that material obtained from vacuum assisted technique have a preciously mechanical properties, increased in average 45% in comparison with hand lay up method. The scanning electronic microscopy has been used for investigation on void appearance of composite materials.

8p uocvong01 24-09-2015 81 8   Download

Tài liệu Tách khuôn trong CREO 3.0: Phần 1 giới thiệu tới các bạn về cách thức và quuy trình của việc tách khuôn thủ công như đưa chi tiết vào môi trường Pro/MOLD; tạo phôi; tính toán độ co rút; tạo mặt phân khuôn kiểu Extrude; tạo mặt phân khuôn kiểu Fill; tách khuôn; extract ra các tấm khuôn hoàn chỉnh;... Mời các bạn tham khảo.

33p tranvantuyen1730 30-04-2015 455 106   Download

Báo cáo thực tập Kế toán tại công ty TNHH World Mold Tech trình bày tổng quan về cơ sở thực tập; thực trạng công tác kế toán theo nội dung thực tập lựa chọn tại cơ sở. Tài liệu giúp các bạn biết cách trình bày mọt bản báo cáo thực tập nói chung và báo cáo thực tập chuyên ngành Kế toán nói riêng. Mời các bạn tham khảo.

48p hieuhoanghy 13-03-2015 280 74   Download