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Injection molding machine adjustment technology analysis explanation -2

2021-08-02

Injection molding machine adjustment technology analysis explanation -2


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Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold reasons

1, the water is too small, the compressive insurance is not going in

2, bad exhaust

3, the mold is water cooling

4, mold is diagram

5, mold sticky mode causes drawing

6, broken needle, break insert

7, mouth, water mouth is too small

8, the hot runner is blocked

9, the hot runner leakage

Causes of the process

1. Pressure pressure is too small

2. The pressure time is too short

3. Insufficient melt glue

4, the mold is too high, the shrinkage is large

5, the mold is too low, the filler is not smooth

6, the lock is too tight, no gas

7, inexposition conversion position setting is unreasonable

8. Spaghetti pressure, speed setting is unreasonable

9. Blocking

10, the temperature of the gun is too high.

11, leakage

Design reason 

1, improper inletation

2, thickness is unbalanced

3, the rubber level is too thick

4, the shrinkage rate is incomplete

5, the bone design is too thick

6, improper cooling position, not enough cooling waterway

Apparatus

1, machine is too small, insufficient pressure

2, three small pieces, barrels are broken, can't get glue

3, 胶 cylinder oil seal oil, pressure is unstable

4, the oil pump is damaged, the pressure is unstable

5, the tube temperature is abnormal (there is a paragraph not rising, brought by the side)

6, the cylinder cooling water is not good, there is anti-adhesive

7, machine screw models and plastics

8. Improper voltage output, unstable

For the material reasons 1, the material is not baked

2, material, no mixing of the water

3, the material particles are too large, the particles are uneven

4, the material shrinkage is too big

 

 

2. Missing

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold reasons 

1, too small in water, shooting

2, bad exhaust, difficult to lack

3, mold offset

4, mouth, water mouth is too small

5, local difficult, set the exhaust gas

6, the glue hardware and the mold are not properly

7, the hot runner is blocked

8, hot runner leakage

Causes of the process 1, the pressure of the rubber is too low

2, the speed of the rubber is too slow

3, the temperature is too low

4, the amount of melt adhesive is not enough

5, inexposition conversion position setting is unreasonable

6, the temperature of the gun is too low.

7, shot is blocked

8, the lock is too tight, no gas

9, leakage

Design reason 

1, improper inletation

2, the bone design is too thin

3, the corner of the product is too sharp

Apparatus 1, machine is too small, insufficient pressure

2, three small pieces, barrels are broken, can't get glue

3, the oil seal of the rubber cylinder oil, the pressure is unstable

4, the oil pump is damaged, the pressure is unstable

5, the tube temperature is abnormal (there is a paragraph not rising, brought by the side)

6, the cylinder cooling water is not good, there is anti-adhesive

7, machine screw models and plastics

8. Improper voltage output, unstable

Material Cause

1, the fluidity of the material is not good

2, material, no mixing of the water

3, the material particles are too large, the particles are uneven

 

 

3. Flower

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold Cause 

1, too small in water, injection phenomenon

2, poor exhaust, sleepy

3, sharp corner, residual rubber flower

4, mouth mouth, too small in the torque pin

5, there is a dead angle, residual rubber

6, the temperature of the temperature of the heat flow is not properly positioned, the line is abnormal

7, hot runner clogged half

8, the mold is seepaged

9, the temperature of the heat flow is too high, the material is decomposed

Process reasons 

1, back pressure is not properly

2, the race is too fast, shooting flowers

3, the front segment of the rubber parameter is not set, shooting flowers

4, melt glue speed is too fast, decomposed flowers

5, the tail segment of the rubber is not slow, and the gas is noted.

6, half of the shot is half

7, the temperature is too low

8, the divided surface is blocked, it takes 4 hours to clean it once.

9, smoother is too long

10, the tube temperature is too high, the material is decomposed

Design reason

 1. Water mouth design is not smooth into the glue, residual rubber

2, the exhaust gas set is not proper, not enough

3, improper water mode (pin point, square, circular, fan)

Device cause 1, three small, barrel damage, preoperative quality is not good

2, the shape of the mouth and the shape of the mold mouth are not combined, mixed into the air

3, the bucket is hot, the fan is broken.

4, the tube temperature is abnormal (there is a paragraph not rising, from the side of the side)

For material reasons

1, the material is not grilled, the baking temperature is not set

2, material is allomatic

3, the material particles are too large, the particles are uneven

4, materials, no mixed uniform

5. Abnormal pellets, baked

 

 

4. Gas pattern (clipline)

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold cause 

1, too small in water, jet thick

2, the retroffling position of the incoming position does not do exhaust treatment

3, poor exhaust, difficulty

4, the hot runner is clogged half

5, exhaust gas is too concentrated, more open

Process Cause

1, not properly set, radiant

2, glue conversion position, speed setting is unreasonable

3, the tail section of the rubber is not slow, and the gas is tied.

4, half of the shot is half

5, improper stress

6, smoking too long

7, the temperature is too low

Design reason 

1, improper water mode (pin point, square, circular, fan)

2, improper in the water position

3, did not set up the exhaust by the molding analysis

Device cause 1, three small, barrel damage, preoperative quality is not good

2, the mouth is too small.

For the reasons for materials 1, the material is not baked.

2, the granulation material is too bad

 

 

5. Mix color (yin yang color, thick print, burning yellow burning)

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold Cause 

1, hot runner temperature abnormal, burning yellow burning black mix

2, bad exhaust, burning black mix

3, the hot runner dead angle residue mixed color

4, exhaust gas is too concentrated, yin and yang color, more open

5, mold is diagram

Process reasons

1, improper back pressure setting

2, the melt glue temperature is too high, burning yellow and black mix

3, radio speed is too fast, burning yellow and black color

4, too little melt adhesive

5, the melt speed setting is not appropriate

6, the temperature is too low, thick print

7, the melt temperature is too low, the colored mother is not melted uniform

8, the mold temperature is uneven, yin and yang color

9. The distal surface is blocked, burnt, to be cleaned

Design Cause 

1, not enough exhaust design, yin and yang color

2, thick thin, thick print

3, the cooling position is not uniform, yin and yang color

Device cause 1, three small, barrel damage, preoperative quality is not good

2, the screw model is wrong, not PP anti-mix color screw

3, the thaw hole is too big

4, shot residual glue, burning yellow and black mix

Material reasons 

1, is not mixed evenly

2, material, no diffusion oil, diffusing agent

3, color mother, toner, particulate non-proliferation

4, the material particles are too large, the particles are uneven

5, materials, no mixing

6, water mouth is not sieved

7, ordinary, high temperature, color mother, color powder

8, the granulation material is too bad

 

 

6. Tlag

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold reasons

 1, the mold is too big

2, hot runner

Cause 

1, gun tube, tanker temperature is too high

2, the temperature of the hot runner is too high.

3, the back pressure is not adjusted properly

4, pumping cleaning is not adjusted

5, if necessary, the seat will be retired (not recommended)

Design reason 

1, need to design needle valve closed into water

Equipment reasons 

1, tangent holes are too big

2, the shape of the nozzle and the shape of the mold noise

Material reasons 

1, material flow is too good

2, the material is too high.

 

 

7. Top Needle

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold Cause

 1, the top needle is not slippery

2, need to change the gas needle

3, the mold is not smooth, too sticky

Process reasons 1, shot too sat too

2, the pressure pressure is too big

3, the mode temperature is not properly

4, the thimble speed is too fast, the pressure is too big

Design reason

 1, the plasma is too thin

2. The top needle position is not set.

Equipment Cause 

1, the speed of the machine is not controlled, to repair the machine

Material reasons 

1, the granulation material is too bad

 

 

8. Pizza

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold Cause 

1, the mold is not cooperated, no mold

2, mold break, break, collapsed

3, the temperature of the heat flow is too high.

Causes of the process 

1, the rubber is too saturated

2, radiation, pressure pressure is too big

3, the radio speed is too fast

4, the mold is unlocked

5, the melt temperature is too high.

6, the temperature is too high

Design reason 

1, improper inletation

Equipment Cause 

1, the machine lock mode is insufficient

2, machine hingement is unbalanced

3, machine model is not suitable (screw model)

Material reasons 

1, material flow is too good

2, material, no mixing of the water

3, too much water mouth

 

 

9. Paint (offshore port)

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold reasons 

1, the module

2, the mold is not smooth, the scale is not enough

3, the front mode adhesive force is greater than the rear mold

4, mold is diagram

5, the mold is cool

6, no mouth cooling is not good

Process reasons 

1, shot too sat too

2, the pressure pressure is too big

3, the holding time is too long

4, too fast

5, the temperature of the barrel is too high, the material is decomposed

6, the temperature is too high

7, improper cycle

Design reason 

1. Improperization

2, the top needle design is too small

3, the layout line is not properly

4, the mouth is too long

5, improper cooling position, not enough cooling waterway

Equipment

For reasons for materials 1, materials are too brittle

 

 

10. Size is wrong

Cause Analysis (basis for the transfer machine: Reference charge parameters)

Mold Cause 

1, the mold does not make a size data

2, the plastic parts are not smooth, top deformation

3, the water is too small

Process reasons 

1, compressive pressure is not properly

2, improper storage time

3, back pressure is unstable

4, the cycle is not properly set

5, the mold temperature is uneven, deformed

6, the pressure, speed setting is unreasonable

Design reason 

1. Design size data is not

2. Improperization of shrinkage

Device cause 

1, three small, barrel damage, rubber end point is unstable

2, rubber cylinder oil sealing oil, pressure is unstable

3, the oil pump is broken, the pressure is unstable

4, the tube temperature is abnormal (there is a paragraph not rising, from the side of the side)

5, the cooled water effect is not good, there is anti-adhesive

6, no voltage output, unstable

Material for reasons 

1, material, no mixing

2, the material particles are too large, the particles are uneven, the particles are uneven