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ITW: Dynamini, Dynamelt
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DYNAMELT_ S Series adhesive supply unit (ASU) is a computer-controlled hot-melt supply unit designed on metric standards. Its “all-icon” control panel, with choice of display languages, is internationally operator friendly. It is available for 120v, 240v or 380v service.
Available in four hopper sizes and with a choice of piston or gear pump, the Dynamelt S ASU uses a microprocessor temperature control to closely control the temperature of hot-melt adhesive for up to six hoses and six heads. The operator selects temperature set points for up to 14 zones, the system provides warnings and alarms for operator errors and system malfunctions.
The Dynamelt system provides accurate, proportionate temperature control for the hopper, hoses and applicators. Sequential heating delays may be programmed for turn-on of the hoses and heads. A “standby” temperature may be programmed so that the temperature zones can be maintained at a lower temperature when the ASU is not in active use, enabling rapid return to normal operation. With these flexible temperature programming features, the Dynamelt system increases adhesive life by eliminating prolonged high adhesive temperatures. It reduces energy consumption and brings the system up to normal operating temperatures in the shortest possible time.
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A four-layered, shielded CPU board protects the microprocessor from external interference. The temperature control can interlock the parent machine with pre selected adhesive temperatures so that production automatically begins when adhesive temperatures are correct for the application. A simple and timely program sets the temperature values for the system. An optional remote control panel gives control and monitoring flexibility.
Digital readout of system conditions is provided. Optional external audible signals or lights which alert the operator to alarm conditions may be wired in. A security code can restrict access to system programming and parameters. The CPU monitors the electronic circuitry and provides alarms for error conditions.
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The Dynamelt S ASU uses an extremely dependable, constant-pressure piston pump. This air-operated pump insures a high-pressure adhesive output from a low pressure, compressed air input. Piston pumps are available for either hot-melt or lotion applications. A gear pump is also available to assure a smoother and higher precision flow. The single or dual pump is driven by a single drive.
To combine high performance, precise control and better bond strength with up to 40% adhesive saving, ITW-Dynatec developed the Dynamelt S Auxiliary Wattage model which takes advantage of their innovative Dynafiber adhesive fiberizing technology.
The Dynamelt’s teflon-coated hopper accepts adhesive in all popular forms, including pellets, slugs and blocks. The ASU can accommodate air-actuated automatic applicators (heads), electric applicators, hand-held applicators and/or special applicators. Options available include memory card reader, pressure gauge, drop-in grid, pendant control and a seven-day scheduler.
Specifications |
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| Storage/ shipping temperature | 40 ° C to 70 ° C (-40 ° F to 158 ° F) |
| Ambient service temperature | -7 ° C to 50 ° C (20 ° F to 122 ° F) |
| Noise | < 60 dbA (at 1 meter) |
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| Dimensions | see dimensional layouts on request |
| Number of heads/ hoses | 2, 4, or 6 heads/ hoses |
| Number of hopper temperature zones | 1 or 2 (add 1 for optional drop-in grid) |
| Number of pumps | 1 |
| Piston pump ratios | 12:1 |
| Gear pumps | 1.5 cc/rev or 4.5 cc/rev |
| Enclosure | durable metal and high temp plastic, dust and splatter resistant |
| Hose connection | universal 15-pin Amphenol connectors at asu, wrench-secured fluid fittings (#6 JIC) |
| Hopper (tank) capacity | DM S05 = 4.7 kg/ 10 lb DM S10 = 9.5 kg/ 20 lb DM S22 = 22 kg/ 48 lb DM S45 = 45 kg/ 100 lb |
| Hopper construction | welded aluminum, cast-in heaters, TFE Teflon coated |
| Filtration | hopper bottom screen, large pleated pump outlet filter |
| Weight, empty | DM S05 = 43 kg/ 94 lb DM S10 = 44 kg/ 97 lb DM S22 = 50 kg/ 110 lb DM S45 = 54 kg/ 118 lb |
| Adhesive form | accepts most forms |
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| Service Requirements | 120 VAC S22 = 30 amp/1p/50-60 Hz 200-240 VAC S05 or S10 = 30 amp/ 1p/ 50-60 Hz 200-240 VAC S22 or S45 = 50 amp/ 1p/ 50-60 Hz 380-400 VAC S05 or S10 = 20 amp/ 3p (“Wye”, “Y” or 5-wire connection)/ 50-60 Hz 380-400 VAC S22 or S45 = 30 amp/ 3p (“Wye”, “Y” or 5-wire connection)/ 50-60 Hz |
| Power consumption, system maximum | 120 VAC system = 3600 watts 200-240 VAC system: DM S05/ DM S10 = 7200 watts 380-400 VAC system: DM S05/ DM S10 = 9650 watts 200-240 VAC or 380-400 VAC system: DM S22/ DM S45 = 11,650 watts |
| Power consumption, hopper | 120 VAC DM22 system = 1800 watts 240/380 VAC system: DM S05 / DM S10 = 1500 watts 240/380 VAC system: DM S22 / DM S45 = 2500 watts DM S10G = 2250 watts (with drop-in grid) DM S22G / DM S45G = 5000 watts (with drop-in grid) |
| Hopper heater type | cast-in tubular |
| Temperature control | microprocessor-based proportional integral derivative (PID) |
| Temperature sensors | 100 Ohm Platinum RTD standard 120 Ohm Nickel RTD optional |
| Electrical connectors | durable, latching connectors |
| Motor | 1/4 hp, alternating current motor, direct drive, horizontal orientation |
| Maximum current available for hose & head | 120 VAC system: 600 watts |
| Maximum current available for each hose or head | 240/380 VAC system: 1200 watts |
| Maximum current available for 6 hoses and 6 heads | 240 VAC system: 7000 watts |
| ITW Dynatec c. 1999 DYNAMELT S ASU Manual #20-31 Page 2-3 Revised 12/02 |
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| Pressurized Air (Piston Pump Models): | |
| Air pressure supply: | 1.4 to 6.8 bar (20 to 100 psig) |
| Maximum recommended pump speed | 60 pump cycles per minute (piston pump) 90 revolutions per minute (gear pump) |
| Air consumption | 60 pump cycles per minute 90 normal liters/ minute (3.2 SCFM at 100 psig) |
| Performance: | |
| Adhesive temperature control range, standard models | 10 ° C to 218 ° C (50 ° F to 425 ° F) |
| Adhesive temperature control range, optional high-temp models | 10 ° C to 232 ° C (50 ° F to 450 ° F) |
| Adhesive temperature control accuracy | -1 ° C (- 1 ° F) |
| Standby adhesive temperature range | up to 80 ° C (150 ° F) lower than set point |
| Hopper ready adhesive temperature deviation (factory set/ field adjustable) | -20 ° C (36 ° F) from set point |
| Over-temperature cutoff for hopper | 218 ° C (425 ° F) |
| Low-temperature cutoff for piston pump (factory set/ field adjustable) | 135 ° C (275 ° F) |
| Adhesive viscosity | 500 to 50,000 cps |
| Warm-up time, full hopper | app. 0.5 hour |
| Adhesive delivery rate, open line | 0.91 kg/min (2 lb/min) (12:1 piston pump) 0.38 kg/min (0.83 lb/min) (4.5cc gear pump) |
| Typical adhesive melt rate (depends on adhesive used) | DM S05 = 10.5 kg/hr (23.2 lb/hr) DM S10 = 10.7 kg/hr (23.6 lb/hr) DM S10G =19.1kg/hr (42.2 lb/hr) DM S22 = 22.6 kg/hr (50 lb/hr) DM S22G =41.3kg/hr (91 lb/hr) DM S45 = 23.1 kg/hr (50.9 lb/hr) DM S45G =45.6 kg/hr (100.4 lb/hr) |
| Adhesive pressure | up to 68 bar (1000 psi) maximum |
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| Power board | 5 zones per board, modular construction |
| Auxiliary board | 4 zones per board, modular construction |
| Display type | long life, bright fluorescent |
| Temperature control zones | 5-15 triac-output, can be combined with solid state relay output (optional) |
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| Hopper | 2200 watt |
| Hose/ applicator head | 1100 watt maximum: 3500 watt per board |
| Solid state relay input | 20 mA/ 12 volt |
| Fuses | 5x20 mm, hose/ head: T6.3AL time delay |
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| Display languages | English, French, German, Spanish, Swedish, Italian, Portuguese, Japanese and Dutch |
| Operator interface | digital display with simplified, all-icon keypad |
| Temperature standby | yes |
| High and low temp alarms | yes |
| eady interlock | yes |
| Password protection | yes |
| Sequential heating | yes (hopper, hose, head staged heating) |
| Sensor open alarm | yes |
| RS232 and RS485 communications capab | yes |
| CE approval | all 240v and 380v models |
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