Solutions to defects in compression molding by Yusriah Lazim https://padlet.com/yusriahlazim/p6yr9tw0jkpk en-us 2017-08-18 04:28:07 UTC 2024-11-07 19:05:33 UTC hello@padlet.com Blisters on the surface of the products yusriahlazim https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569360 1. 
2.
3.
4.
5.
6.]]> 2017-08-18 04:34:36 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569360 Excessive flash yusriahlazim https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569368 1.
2.
3.
4
5.
6.]]> 2017-08-18 04:34:52 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569368 Dull appearance on the surface yusriahlazim https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569376 1.
2.
3.
4.
6.

]]> 2017-08-18 04:35:05 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569376 Short shot yusriahlazim https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569380 1.
2.
3.
4.
5.
6.]]> 2017-08-18 04:35:10 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181569380 Blisters solution https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727275 1. Low the temperature
2. Reducing mold temperature
3. Properly drying the material 
4. Need degassing to reduce bubble air trap
5. Increase the hold pressure

]]> 2017-08-19 15:30:26 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727275 Short shot of product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727489 1. Increase hold pressure
2.increase clamping pressure
3. Increase injection speed
4. Increase screw speed
5. Optimize cycle time]]> 2017-08-19 15:37:22 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727489 Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727543 1. Decrease the Clamp pressure
2. Optimize hold pressure 
3. Decrease injection spEed
4. Decrease the barrel temperature
5. Reduce the clamp force]]> 2017-08-19 15:39:11 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727543 Dull appearance solution https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727712 1. Decrease the temperature 
2. Make sure homogenous extrude of plastic 
3. Apply mold release agent
4. Do not exposed to high heat
5. High melt temperature]]> 2017-08-19 15:45:09 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181727712 Blister on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742710 1. Decrease mold closing speed
2. Add or change breathe cycle
3. Increase charge weight
4. Check mold venting and correct as needed
5. Decrease mold temperature
6. Increase hold pressure]]> 2017-08-20 02:39:42 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742710 Dull appearance on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742785 1. Increase mold temperature
2. Increase preheat temperature
3. Decrease mold closing speed
4. Check condition of mold plating and re-plate if necessary
5. Polish mold
6. Apply mold release agent ]]> 2017-08-20 02:43:54 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742785 Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742868 1. Decrease charge weight
2. Increase preheat temperature
3. Increase mold temperature
4. Decrease mold closing speed
5. Check parting line for wear or damage and correct as needed
6. Increase clamp tonnage if possible ]]> 2017-08-20 02:46:54 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742868 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742983 1. Increase charge weight
2. Increase preheat temperature
3. Increase mold closing speed
4. Decrease mold temperature 
5. Check mold venting and correct as needed
6. Optimize cycle time]]> 2017-08-20 02:52:25 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181742983 Blister on surface of the product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746774 1. Increase preheat temperature
2. Increase cure time
3. Increase mold temperature
4. Add breathe cycle
5. Increase moulding pressure
6. Decrease mould closing speed ]]> 2017-08-20 06:09:25 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746774 Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746867 1. Decrease or reduce charge weight
2. Check parting line for wear or damage and correct as needed
3. Increase clamp tonnage if possible
4. Check material flow
5. Reduce mold temperature
6. Decrease mold closing speed]]> 2017-08-20 06:14:40 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746867 Dull Appearance https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746961 1. Increase mold temperature
2. Increase cure cycle
3. Polish and buff tool surface
4.  Check condition of mold plating and re-plate if necessary
5.  Increase preheat temperature 
6. Decrease mold closing speed ]]> 2017-08-20 06:20:02 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181746961 Short Shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181747119 1. Use less reactive catalyst
2. Use high pressure
3. Select easier flow material (decrease charge viscosity)
4. increase charge weight
5. Increase preheat temperature
6. Increase mold temperature]]> 2017-08-20 06:26:57 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181747119 Ecxessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181760499 1. Slow down injection rate.
2. Reduce pack/hold pressure.
3. Reduce clamp tonnage.
4. Rearrange clamp alingnment.
5. Control the viscosity of the material.
6. Clean the mold surface and inspect the cavity for proper clamping.

]]> 2017-08-20 15:15:53 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181760499 Dull appearance on the plastic product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181761026 1. Increase mold or the preheat temperature.
2. Reduce the speed of the mold closing.
3. Make sure that the mold is clean and being polished.]]> 2017-08-20 15:27:18 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181761026 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181761831 1. Increase mold temperature and pressure.
2. Increase cure time.
3. Add breathe cycle.]]> 2017-08-20 15:49:41 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181761831 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181790177 1. increase the breathe cycle
2. increase the curing time
3. increase the pre-heating
4. increase the mold temperature
5. do early degassing
6. reduce speed of mold closing]]> 2017-08-21 01:26:07 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181790177 Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181795361 1. Reduce the mold temperature
2. reduce speed of mold closing
3. check the viscosity of material
4. reduce the clamp pressure
5. clean the mold
6. reduce the amount of material (charge


]]> 2017-08-21 02:10:28 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181795361 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181804925
1. Increase cure time
2. Slow close duration
3.Check Mold temp for uniformity 
4.add breathe cycle]]> 2017-08-21 03:25:52 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181804925 Ecxessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181805603 1.check parting line for wear or damage and correct as needed.
2.increase mold temperature
3.increase preheat temperature]]> 2017-08-21 03:32:33 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181805603 dull appearance on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181806019 1.polish the mold
2.increase preheat time
3.decrease mold closing speed
4.increase mold temperature]]> 2017-08-21 03:36:48 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181806019 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181818874 1. check material viscosity
2. increase the mold temperature
3. increase the curing time
4. increase speed of mold closing
5. use high pressure
6. increase amount of material (charge)

]]> 2017-08-21 05:44:21 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181818874 Dull appearance https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181818976 1. reduce the speed of mold closing
2. increase curing time
3. polish the mold
4. adjust mold temperature
5. check mold surface
6, increase pre heat temperature]]> 2017-08-21 05:45:49 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181818976 Blister on the surface of the products https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181877178 1. slowing down the screw rotation.
2. reducing the injection speed
3. increasing and optimize the mold temperature
4. increasing the back pressure
5. add breathe cycle
6. decrease mold closing speed ]]> 2017-08-21 14:06:33 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/181877178 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182040187 1. Increase mold temperature.
2. Extend the cycle time.
3.Slowing down the screw rotation.
4. Increase the back pressure.
5. Dry the material before use(pre-heat)
6. Increase cure time.]]> 2017-08-22 09:29:59 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182040187 Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182041375 1.Reduce the usage or amount of material.
2. control the material's viscosity.
3. Avoid overpacking the material.
4. Reduce the mold temperature.
5. Decrease the clamp pressure.
6. Reduce the clamp pressure]]> 2017-08-22 09:42:37 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182041375 short-short https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182043126 1. increase the amount of materials
2. increase material viscosity
3. use high pressure
4 decrease the mold temperature]]> 2017-08-22 10:05:44 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182043126 dull appearance https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182093449 1.  take care the mold by polishing it.
2.  Increase the mold temperature.
3.  use mold release agent.
4.  decrease the closing speed of the mold.
5. increase the pre-heat time
6. check the plating condition.]]> 2017-08-22 14:34:00 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182093449 Short https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300924 2017-08-23 12:28:22 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300924 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300925 1. increase the amount of material 
2. increase mold temperature
3. increase injection speed
4. increase hold pressure
5. increase screw speed]]> 2017-08-23 12:28:22 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300925 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300926 2017-08-23 12:28:22 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182300926 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182302064 1.Increase ]]> 2017-08-23 12:33:48 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182302064 Blister on surface of the product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182302608 1. increase the pre-heat time
2. add breath cycle 
3. increase mold temperature
4. reduce injection speed
5. increase back pressure

]]> 2017-08-23 12:36:38 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182302608 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182304389 1.Ensure mold is properly vented to avoid gas entrapment
2.Add more material
3.Increase mold pressure and temperature
4.Increase melt temperature
5.Ensure no blockage at the nozzle tip as well as at the sprue bushing at the mold
6.use less viscose material
7.increase runner diameter 
8.increase sprue diameter 
9.use short sprue bushing ]]> 2017-08-23 12:45:20 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182304389 Excessive Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182304786 1. increase clamp pressure
2. reduce injection pressure
3. Decrease mold temperature
4.  decrease residence time
5. reduce cycle time

]]> 2017-08-23 12:47:23 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182304786 Excessive Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182305206 1. decrease mold clamping pressure
2.reduce injection pressure
3.reduce injection speed
4.reduce melt temperature
5.use less viscous material
6.reduce screw speed
7.reduce mold temperature
8.reduce mold clamp force
9.Check parting line for wear or damage and repair if needed]]> 2017-08-23 12:49:16 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182305206 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182307105 1. preheat material before used
2.store material in moisture protective barrier
3.inçrease holding pressure and holding time
4.Ensure proper ventilation in mold
5.use less viscous plastic to allow gas escape rapidly
6.increase breathe cycle
7.Reduce injection speed
8.Reduce mold closing speed]]> 2017-08-23 12:56:00 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182307105 Dull appearance on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182308074 1. increase mold temperature.
2. increase pre heat time
3. increase screw speed
4. reduce mold closing speed
5. consistent polishing and cleaning of mold]]> 2017-08-23 12:59:24 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182308074 Dull appearance https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182310202 1.Increase melt temperature
2.increase backpressure
3.use less viscous material
4.Polish the mold

]]> 2017-08-23 13:07:07 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182310202 Dull appearance on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182311137 1. increase the mold temperature
2. raising the screw back pressure 
3. increase the cure cycle
4. increase molding pressure
5. polish tool surface]]> 2017-08-23 13:11:22 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182311137 Jdjd https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182311183 2017-08-23 13:11:32 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182311183 Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182315580 1. increase the clamp pressure 
2. clean the mold properly
3. checking the parting line
4. optimal the mold temperature
5. decrease the injection pressure
6. checking the material flow]]> 2017-08-23 13:26:57 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182315580 Blister on the surface of the product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182318190 1. Component is undercured
-increase mold temperature
-increase cure time
-increase preheating


]]> 2017-08-23 13:35:50 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182318190 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182319441 1.increase the ``mold closed'' portion of the cycle
2. Reduce mold temperature
3. increase the injection pressure]]> 2017-08-23 13:39:58 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182319441 Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182321243 1. select the less viscous material with higher flowability
2. increase mold temperature
3. increase the material feed
4. increase RAM speed
5. increase the injection pressure
6. select a less viscous material ]]> 2017-08-23 13:46:05 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182321243 Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182322403 -reduce weight of resin added to tool
-choose easier flowing material]]> 2017-08-23 13:49:56 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182322403 short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182323394 -increase back pressure
-increase mold temperature
-increase cure time
-increase screw speed]]> 2017-08-23 13:53:18 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182323394 Dull appearance https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182324455 -increase cure time
-increase charge weight to mold
-reduce mold temperature
-reduce cure time]]> 2017-08-23 13:55:58 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182324455 short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182340155 - increase the injection pressure
- increase the cooling time
- increase mold and melt  the temperature
- eliminate the air traps
-select a less viscous material
- e]]> 2017-08-23 14:46:24 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182340155 solution of defe https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182341394 2017-08-23 14:49:24 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182341394 excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182343060 1. increase the clamp pressure
2. ensure that the mold is properly maintained and cleaned.
3. decreased the mold closing speed]]> 2017-08-23 14:54:07 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182343060 Blister on the surface of the products https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182345407
1. increase the cycle time
2. slow down the screw rotation speed.
3. decreased the injection speed.
4. increased the mold temperature.
5. increased the back pressure.
6. increased the curing time]]> 2017-08-23 15:01:52 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182345407 Dull appearance on surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182348899 1. increased the barrel temperature
2. increased the mold temperature.
3. increase the back pressure.
4. increase the speed of screw rotation.
5. do well in venting
6. increase the curing cycle]]> 2017-08-23 15:12:04 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182348899 Solution https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182363858 Blisters :
1. increase back- pressure
2. increase the ``mold closed'' portion of the cycle.
3. Reduce the injection speed
4. increase the mold temperature
5. Gates should normally be located in the thickest section of the part.
6. Increase cure time

Short shot :
1. Eliminate air traps
2. increase mold and melt temperature
3. Increase ram speed
4. Change part geometry
5. Change material
6. Increase closing speed

Dull appearance :
1. change in flow-front velocity
2. Low melt temperature
3. increase the barrel temperature
4. increase the screw backpressure
5. Increase cure time
6. Increase charge weight to mould 

Excessive flash :
1. slow down the injection rate.
2. bring the second-stage (pack/hold) pressure to the minimum the machine allows
3. Clean mold surfaces and behind slides and inspect cavity for any obstruction to proper clamping.
4. Reduce clamp tonnage
5. Minimize melt residence time
6. Check number, placement, and length of support pillars in mold.
]]> 2017-08-23 15:55:44 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182363858 Blister on the surface of product https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182452510 1) Increase cure time
2) increase mold temperature
3) Employ the breath during cycle
4) Increase preheat temperature
5) Increase cycle time
6) Slowing down the screw rotation will minimize the amount of air that is drawn into the material which cause blister

]]> 2017-08-23 21:38:44 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182452510 Short Shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182454735 1) Increase melt temperate
2) Raise the temperature within the service range
3) Replace the back-flow prevention ring
4) Increase screw speed
5) Applying a high pressure
6) Increase the cooling water volume at the hopper opening]]> 2017-08-23 21:51:15 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182454735 Excessive Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182455820 1)  Decrease charge weight.
 2) Increase preheat temperature. 
3) Increase mold temperature. 
4) Decrease mold closing speed. 
5) Check parting line for wear or damage and correct as needed.
 6) Increase clamp tonnage if possible ]]> 2017-08-23 22:04:33 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182455820 Dull Appearance on Surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182456105 M
 1) Decrease charge weight
2) Increase preheat temperature. 
3) Increase mold temperature.
 4) Decrease mold closing speed.
 5) Check parting line for wear or damage and correct as needed
 6) Increase clamp tonnage if possible 
7) increase cure time
Polish tool
8) Chromium plate tool]]> 2017-08-23 22:08:06 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182456105 Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182464101
  • Reduce mould wall temperature.
  • Reduce injection rate.
  • Increase holding pressure.
  • Optimize back pressure.
  • Optimize screw speed.
  • Reduce curing time.

    • ]]>     2017-08-23 23:45:08 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182464101     Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182464651 1. Reduce Charge weight
    2 Increase preheat temperature. 
    3.Increase mold temperature. 
    4. Decrease mold closing speed. 
    5.Check parting line for wear or damage and correct as needed. 
    6.Increase clamp tonnage if possible. ]]>     2017-08-23 23:50:19 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182464651     Dull Appearence https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182465504 1. Increase mold temperature. 
    2. Increase preheat temperature
    3. Decrease mold closing speed
    4. Check condition of mold plating and re-plate if necessary. If mold is unplated,

    polish or plate it. 
    5.  Polish the mold. 
    6. Increase cure time]]>     2017-08-23 23:59:05 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182465504     Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182465780 1. Increase charge weight. 
    2. Increase preheat temperature. 
    3. Increase mold closing speed.
    4. Decrease mold temperature. 
    5. Check mold venting and correct as needed. 
    6. Use high pressure]]>     2017-08-24 00:01:38 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182465780     blisters solution https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182489651 1. Increase cure time
    2. Increase mould temperature
    3. Increase preheating
    4. decrease mould temperature
    5. employ a breathe during cycle
    6. preheat powder]]>     2017-08-24 03:17:55 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182489651     dull finish https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182489978 1. increase cure time
    2. polish tool
    3. increase weight to mould]]>     2017-08-24 03:21:12 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182489978     short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182490141 1. select less viscous plastic with higher flowability.
    2. increase mold and melt temperature.
    3. increase the material feed]]>     2017-08-24 03:22:39 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182490141     Blister On The Surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182491661 1) Increase cure time
    2) increase mold temperature
    3) Employ the breath during cycle
    4) Increase preheat temperature
    5) Increase cycle time
    6) Slowing down the screw rotation will minimize the amount of air that is drawn into the material which cause blister
    Imran Hakim b Mohammed
    55216115389
    ]]>     2017-08-24 03:38:09 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182491661     Short Shots https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492105 1. Eliminate air traps

    2. increase mold and melt temperature

    3. Increase ram speed

    4. Change part geometry

    5. Change material

    6.Increase closing speed

    Imran Hakim B Mohammed
    55216115389
    ]]>     2017-08-24 03:42:53 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492105     Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492546 1.increase mold temperature
    2. increase cooling time
    3. decrease injection speed
    4. increase back pressure
    5. decrease screw speed rotation
    6. increase the 'mold closed' portion of cycle


    ]]>     2017-08-24 03:46:35 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492546     Excessive Flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492585 1. slow down the injection rate.

    2. bring the second-stage (pack/hold) pressure to the minimum the machine allows

    3. Clean mold surfaces and behind slides and inspect cavity for any obstruction to proper clamping.

    4.Reduce clamp tonnage

    5. Minimize melt residence time

    6. Check number, placement, and length of support pillars in mold 
    Imran Hakim B Mohammed
    55216115389
    ]]>     2017-08-24 03:46:58 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492585     Short shot https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492880 1. increase mold temperature
    2. increase melt temperature
    3. use less viscous material
    4. increase injection pressure]]>     2017-08-24 03:49:33 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182492880     Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493006 1. lower mold temperature
    2. lower melt temperature
    3. lower injection pressure]]>     2017-08-24 03:50:38 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493006     Dull Appearance On Surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493058 1. Increase mold temperature
    2. Increase preheat temperature
    3. Decrease mold closing speed
    4. Check condition of mold plating and re-plate if necessary
    5. Polish mold
    6. Apply mold release agent 
    Imran Hakim Bin Mohammed
    55216115389]]>     2017-08-24 03:51:14 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493058     Dull appearances https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493244 1. increase barrel temperature
    2. increase back pressure of the screw
    3. increase mold temperature
    4. increase holding pressure
    5. increase melt temperature]]>     2017-08-24 03:52:45 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493244     Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493861 1. Increase "mold closes" portion of cycle help in minimize blisters
    2. Increase of back pressure may help in removing gases before they enter the mold.
    3. Slowing down screw rotation will minimize the amount of air drawn into material.
    4. Increase mold temperature will help gases escape by delaying the hardening of surface skin. ]]>     2017-08-24 03:57:15 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182493861     Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182494300 1. Increase the clamp pressure to ensure the mold parts remains shut during shots.
    2. Ensured the mold is properly maintained and cleaned (or replaced when it has reached the end of its useful lifespan).
    3. Adopt optimum molding conditions like injection speed, injection pressure, mold temperature and proper gas venting.]]>     2017-08-24 04:02:38 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182494300     Short shots https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182496380 1. Select a less viscous polymer with higher flowability. The polymer will reach and fill the hardest to reach the cavities.
    2. Increase the mold or melt temperature.
    3. Increase the material feed in the molding machine .]]>     2017-08-24 04:25:03 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182496380     Dull appearances on the surface https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182497190 1. Increase curing cycle
    2. Do well in venting
    3. Increase preheat temperature ]]>     2017-08-24 04:32:51 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/182497190     Blister https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/216870284 1. Add breathe cycle
    2. increase cure time 
    3. increase preheat temperature
    4. increase hold pressure
    5. slow down rotation screw]]>     2017-12-18 08:44:23 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/216870284     Excessive flash https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/216874133 1. clamp pressure increase
    2. lower injection pressure
    3. increase preheat temperature
    4. decrease mold closing
    5. increase clamp pressure]]>     2017-12-18 09:02:09 UTC https://padlet.com/yusriahlazim/p6yr9tw0jkpk/wish/216874133