10) Die swell in extrusion is radially uniform for circular cross-sections, but is not uniform for other cross-sections. Recognizing this fact, make a qualitative sketch of a die profile that will produce each of the following extruded polymer: a. square b. triangular

Q: What are the main parameters that influence the flow of a polymer in an extrusion process? Explain…

A: To explain: What are the main parameters that influence the flow of a polymer in an extrusion…

Q: mensions a tonnage to E the part if the desity

A: Given compaction pressure = 1000 MPa Surface area of the component = π4652- 202 mm2 We know that Pr…

Q: Explain why G-Codes (CNC programs) are used to control and fabricate the parts for the material…

A: G-codes on CNC :

Q: State one application of plastic product where polymer is the only material class to provide the…

A: given;   State one application of plastic product where polymer is the only material class…

Q: For a powder binding process that mixes a 3:1 volume ratio mixture of semi-crystalline polyethylene…

A: Given data: The density of polyethylene in its amorphous state is, ρas=0.870 gcm3 The density of…

Q: All of the following are components of an injection molding machine except.: Screw Barrel Nozzle O…

A: Introduction Injection molding is used to create a variety of extensively used products, like…

Q: A compound thin cylinder has a common diameter of 100 mm and the inner cylinder has a thickness of…

A: E=200 GPa=200×109 Pa D0=Diameter of Outer Cylinder=100 mmDi=Diameter of Inner Cylinder=100-2t…

Q: Thermal plastics are stronger than thermoset plastics.

A: No, Thermal plastics are not stronger than thermoset plastics.

Q: why in a puncture resistance test of woven plain 1/1 fabric, the max elongation decrease as the…

A: For woven plain 1/1 fabric -

Q: 7) You are working on design improvements for a set of 4" diameter gears for a children's toy, and…

A: Concerns High tooling costs and long set-up lead times. Up-front costs are high due to the plan,…

Q: An extruder barrel has a diameter of 4.0 in and an L/D ratio of 28. The screw channel depth = 0.25…

A: As per our guidelines, we can answer only one question. Kindly post the remaining question in…

Q: 5. What are the unit operations involved in the food packaging industry? Discuss the techniques…

A: Unit operations in food packaging industry include: Sorting: separates food products based on their…

Q: Question 3 The diameter of an extruder barrel is 65 mm and its length is 1.75 m. The screw rotates…

A:

Q: 4.12A blow moulding die which has an outside diameter of 40 mm and a die gap of 2 mm is used to…

A: Given data:Blow moulding die outer diameter, OD = 40 mmDie gap, hd = 2 mmBottle diameter, Dm = 70…

Q: Which of the following plastic and composite materials processing is most suitable for the…

A: polymer automotive body panels are widely applied in automotive industries due to their high…

Q: Briefly describe the plastic extrusion process.

A: This question is based on the concept of plastic extrusion process.

Q: A thin steel disk of an oil separator of 100mm outside diameter is shrunk onto a solid steel shaft…

A: Solution: Given Data: dD=100 mmds=20 mmN=100000 rev/minE=210 GPaμ=0.3ρ=7850 kg/m3   To Find:…

Q: Long plastic products with uniform cross sections are readily produced by the extrusion process.

A: Answer IS TRUE

Q: s that are 0.25mm thick. If the extruder head and polymer extrudate  velocities are both 40 mm/s,…

A: Given data as per question Diameter=1.25 mm Thickness=0.25 mm Velocity=40 mm/s Solid cube,a= 38 mm…

Q: (c) Sketch and describe in sequence THREE (3) sheet metal forming processes involves in producing…

A: Sheet metal processes are used for creating various shapes of metals. The various processes are…

Q: A steel plate used for polymer forming is to be bent into a circular shape having an inside radius…

A:

Q: A new composite material is to be manufactured from carbon fibre and resin component materials. The…

A: Given data: EC=8.25 GPaEf=142 GPaER=5.42 GPa Need to determine the relative volume fraction of…

Q: For a powder binding process that mixes a 1:2 volume ratio mixture of semi-crystalline polyethylene…

A:

Q: nufacturer was asked to pro

A: Casting Process:- A liquid substance is often poured into a mold that has a hollow chamber in the…

Q: What is an important consequence of time-temperature equivalence for testing of polymer…

A: Time-temperature superposition is a method that has become important in the field of polymers to…

Q: In a particular extruder screw the channel depth is 2.4 mm, the screw diameter is 50 mm, the screw…

A:

Q: What is the distinction between plastic sheet and film (quantitative numbers)?

A: The difference between the plastic sheet and film depend on the value of  thickness. The thickness…

Q: What means product quality ? What characristics does the term product quality include ? 2 - what…

A: This question is based on the concept of quality and molding process.

Q: A manufacturer plant to produce a new thermoplastic product. Select a suitable processing method…

A: Given:- Thermoplastic products   To find:- Manufacturing method used for thermoplastic product

Q: Discuss the significance of the glass-transition temperature, Tg, in engineering applications.…

A: Glass transition temperature Glass transition temperature is defined as the temperature below which…

Q: s the effect of temperature and strain rate on the mechanical properties of polymers.

A: Discuss the effect of temperature and strain rate on the mechanical properties of polymers.

Q: 3. A dimension of 225.00 mm is specified for a particular injection moulded component manufactured…

A: Given data: d=225.00 mm Need to determine the mould cavity dimensions.

Q: An injection molded polyethylene part has a dimension of 6.25 cm. A new material, polycarbonate, is…

A: Dimension of polyethylene part = 6.25 cm = 2.46 in

Q: 8. a. DEHP can make PVC more flexible. Explain what happens at the molecular level that can explain…

A:

Q: 12) Assuming injection molding pressures of 10kpsi, estimate the die clamping force required for…

A: Disk diameter=1.5 inch Pressure P=10kpsi Runner area= 5.0 in2 there 10 identical which means Area of…

Q: An extruder is expected to produce 4kg of filament per hour, the barrel has a diameter of 19.05mm…

A: The material that gets the deformation of plastics under the action of various forces and causes the…

Q: Viscosity is an important property of a polymer melt in plastics shaping processes. Upon what…

A: The parameters on which viscosity depends.

Q: The part shown in Figure is to be pressed from fine copper powders using a compaction pressure of…

A:

Q: Define the term perfectly plastic?

A: Perfectly plastic material is a kind of material that doesn't regain its shape after the…

Q: 13.3 Given the following information, and the Instron curve below for an axial stress experiment…

A: given; elastic modulus(E)=40MPaelongation at break(ε)=2.25initial length(l0)=1.5cmcross sectional…

Q: 1- Conditions to be met for obtaining efficient milling.

A: HEM is a milling technique for roughing that utilizes a lower Radial Depth of Cut (RDOC) and a…

Q: 2. As shown in Fig. 5, a plastic part is designed and made of ABS. Calculate the dimension of mold…

A: Given : To find: Dimensions of mold cavity