Melamine Powder Weighing Machine
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Melamine Powder Weighing Machine | Consistent Charge Weight – PANLONG
Product Overview
In most melamine factories the charge weight is still decided by hand. Someone scoops compound onto a scale, tips it into a cup and carries it to the press - dozens of times a shift, at whatever speed the line happens to be running. The charge then drifts: a little heavy on a busy morning, a little light when the operator is tired, and different again when the shift changes
The melamine powder weighing machine we supply takes that decision out of human hands. It weighs the compound automatically and discharges it in measured portions, so the weight that reaches your mould is the weight you set - cycle after cycle, shift after shift, on any press in the line
The melamine powder weighing machine we supply takes that decision out of human hands. It weighs the compound automatically and discharges it in measured portions, so the weight that reaches your mould is the weight you set - cycle after cycle, shift after shift, on any press in the line
What an Uneven Charge Costs You
Charge weight is one of the few process variables that shows up in the finished part rather than on the press
1.A light charge leaves short fills, weak rims and corners that fail inspection
2.A heavy charge produces flash that has to be trimmed by hand, and wastes compound on every cycle
3.Weight that drifts between operators makes your reject rate change with the shift roster
4.Hand weighing also sets a ceiling on how fast the line runs, because the weighing station becomes the slowest step
1.A light charge leaves short fills, weak rims and corners that fail inspection
2.A heavy charge produces flash that has to be trimmed by hand, and wastes compound on every cycle
3.Weight that drifts between operators makes your reject rate change with the shift roster
4.Hand weighing also sets a ceiling on how fast the line runs, because the weighing station becomes the slowest step
Inside the Machine: Cups, Dosing and Discharge
The unit works as a small automated line of its own. Compound is fed in, kept moving so it stays free-flowing, weighed into cups and discharged as measured charges
1.Multiple weighing cups that fill and discharge as a set, so several charges are ready at the same time
2.Agitating and loosening systems that keep the compound moving instead of bridging in the hopper
3.A lift and turntable arrangement that positions each charge for discharge
4.Dust extraction built into the unit, because airborne compound is the part of this job nobody wants on the shop floor
5.Sheet-metal guarding over the working area
1.Multiple weighing cups that fill and discharge as a set, so several charges are ready at the same time
2.Agitating and loosening systems that keep the compound moving instead of bridging in the hopper
3.A lift and turntable arrangement that positions each charge for discharge
4.Dust extraction built into the unit, because airborne compound is the part of this job nobody wants on the shop floor
5.Sheet-metal guarding over the working area
| Category | Project | KL 13 |
| Technical parameter | Weighing cups | 12 cups |
| Weighing range | 5-75000 | |
| Input air pressure | 0.6-0.8kg | |
| Power specifications | 220V 50HZ | |
| Total power | 1.5KW | |
| weight | 350kg | |
| Machine size | 800×1750×2100mm | |
|
Configurati
on
parameters
|
Dust removal system | ✅ |
| Packaging sheet metal | ✅ | |
| Mixing system | ✅ | |
| Material shaking syste | Motor+cylinder combination | |
| Lifting system | Material shaking Screw+2times speed lifting | |
| Turntable system | 750W servo motor | |
| Unloading system | stepper motor | |
Configurations and What Each One Suits
Two families are offered, and the difference is how many charges the machine prepares and delivers together
1.A 12-cup configuration for lines that need more charges in circulation
2.Two 9-cup configurations that differ in weighing range and in the power they draw
3.Weighing ranges from 5 g up to 5,000 g, and up to 75,000 g on the wider configuration
4.Rated 220 V 50 Hz, drawing 1.5 kW or 1.2 kW depending on the configuration
5.Working on 0.6-0.8 kg of air pressure, with a footprint of 800 x 1,750 x 2,100 mm and a unit weight of about 350 kg
Which of these fits your plant follows your press count, your charge size and where the machine can stand - not the number of cups on its own
1.A 12-cup configuration for lines that need more charges in circulation
2.Two 9-cup configurations that differ in weighing range and in the power they draw
3.Weighing ranges from 5 g up to 5,000 g, and up to 75,000 g on the wider configuration
4.Rated 220 V 50 Hz, drawing 1.5 kW or 1.2 kW depending on the configuration
5.Working on 0.6-0.8 kg of air pressure, with a footprint of 800 x 1,750 x 2,100 mm and a unit weight of about 350 kg
Which of these fits your plant follows your press count, your charge size and where the machine can stand - not the number of cups on its own
Handling Colour and Changeovers
A weighing machine touches every colour you run, so what it does between runs matters as much as what it does during them
1.Dust extraction keeps airborne compound out of the working area between colours
2.Cups and surfaces that can be emptied and cleaned down between runs
3.Physical separation from presses running a different colour, on the same principle we apply to our own presses - about 1.5 m apart where colour could carry
4.A first-off weight check after every changeover, before the run is released
1.Dust extraction keeps airborne compound out of the working area between colours
2.Cups and surfaces that can be emptied and cleaned down between runs
3.Physical separation from presses running a different colour, on the same principle we apply to our own presses - about 1.5 m apart where colour could carry
4.A first-off weight check after every changeover, before the run is released
Fitting It Into Your Line
The machine is an addition to a line that already runs, so the practical questions are about utilities and position rather than about the equipment itself
1.It needs its own 220 V feed and its own air line, at 0.6-0.8 kg working pressure
2.It has to stand within reach of the presses it feeds, without blocking the route between the presses
3.Where your line preheats the compound, the charge is set before preheating so what goes into the preheater is already the right weight
4.Your own operators can run it after handover, and routine cleaning sits inside the maintenance your team already does
1.It needs its own 220 V feed and its own air line, at 0.6-0.8 kg working pressure
2.It has to stand within reach of the presses it feeds, without blocking the route between the presses
3.Where your line preheats the compound, the charge is set before preheating so what goes into the preheater is already the right weight
4.Your own operators can run it after handover, and routine cleaning sits inside the maintenance your team already does
FAQ
Q1: What does the weighing machine actually control?
A1:The weight of compound that reaches each moulding cycle, and nothing else. It does not change the compound, the mould or the press settings - it removes the operator's judgement from one specific step. That is the whole point: one variable less that changes between shifts
Q2: How many cups do I need for the number of presses I run?
A2:It follows how many charges have to be ready at the same time. A 12-cup configuration keeps more charges in circulation than a 9-cup unit, which suits a line where several presses draw charges in quick succession. Send us your press count, the charge weight you run and your cycle time, and we will size it against your line rather than against a catalogue
Q3: Does each product need its own charge setting?
A3:Yes, and setting it is part of the changeover. A small side plate and a heavy serving piece run on the same machine with different charges, because the weighing range covers both ends - from 5 g up to 5,000 g, and up to 75,000 g on the wider configuration. The first-off weight check confirms the setting before the run is released
Q4: How do we keep colours from carrying over between runs?
A4:Treat it as a cleaning and separation problem rather than an accuracy problem. Dust extraction is built into the unit, cups and surfaces are emptied and cleaned between runs, and the machine is kept away from presses running a different colour. In our own plant we keep presses running different colours about 1.5 m apart for the same reason
Q5: How do we know the charge setting is right?
A5:Weigh the charge, then weigh the part. Set the charge from the part weight plus the process loss you actually record, run the first cycles, and compare the parts that come off against each other rather than against a sample you like the look of. If the weight holds across a shift, the setting is right