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Technical Description

EVS 8K and EVS 10K Solder Recovery System Range

System Description

The Solder Recovery System EVS 1500 to 8K and 10K range of equipment provides a closed environment system for the recovery of solder from the solder dross produced during the wave soldering process. The new EVS 8K and new EVS 10K replaces the range of EVS 7000/9000 solder recovery systems. The EVS 8K replaces the EVS 7000 and the EVS10K replaces the EVS 9000. These new machines have the same capacities and cycle times as the previous machines. The EVS 8K/10K normally bought as a system comprising of a trolley/cart, a drop through chute for the automatic collection of spent solder dross/waste and an integral standalone filtration unit consisting of a multistage filter and a high flow fan. This system is designed to be a stand alone unit which can operate at the convenience of the user company, running off a single phase power supply without the need for external extraction or ducting of fumes exhausted from the process.

This system is designed for use with hot solder dross. The double patented product and process uses heat, pneumatic pressure and magnetic current to extract the solder from the dross at temperature. The solder collected from the process should be returned once cooled to the same solder bath the dross was taken from. Please ensure that the solder is returned to the original bath to maintain integrity of your solder analysis. The EVS heats the loaded dross to the preset operating temperature. Pressure is then applied via the pneumatic cylinder in order to compress the dross loaded into the machine. This process enables the majority of retained solder in the solder dross to be extracted. The spent dross and impurities are deposited from the operating chamber into the dross bucket via the dross chute as one automated process. No operator involvement is required subsequent to the pressing of the start button.

The machine processing cycle is performed automatically. All user-accessible parts of the system are monitored and electrically interlocked to ensure correct positioning during operation and to provide safe and reliable operation.

Forced air extraction within the machine ensures that a negative pressure is maintained and any gaseous material within the dross entering into the air passes through a multi-stage filter, which removes particulate matter down to 0.6 micron and neutralises the gases via an impregnated carbon gas filter media.

The machine carries the CE approval marking.  

The system should be assembled on the trolley as per assembly instructions. On mounting the Solder Recovery System on the top trolley shelf open the cover and check all screws and fixings are in place and tightly retained. Check for any loose wires, any loose nuts or bolts particularly on the pneumatic fixing points, the door, the bridge plate and chamber retention points and any electrical and earthing points, and if found please report to your equipment supplier or local representative.

EVS 8K and EVS 10K Solder Recovery System Range

 

EVS 8K and EVS 10K Solder Recovery System Range

Features

The NEW EVS 8K and EVS 10K range offers the following features as part of the machine

  • EVS 8k 6-10kg/14-22 Lbs capacity for hot dross
  • EVS 10k 12-20kg/28-40 Lbs capacity for hot dross
  • Automated collection of spent dross
  • Integral treatment of fumes and vapours emitted from process are handled by a multi-stage filtration system which creates negative internal pressure within the EVS and when loading with dross
  • Solder tray lock preventing removal of solder tray during process
  • Loading Hopper Lid Lock to prevent accidental loading during cycle
  • Solder tray air knife to accelerate cooling of recovered solder
  • Coded fail safe proximity switches used on both the solder collection tray and the integral loading hopper
  • Adjustable dross chute to automate dross handling into dross bin
  • Increased heat capacity allowing a faster warm up time
  • Integral electronics including liquid crystal display giving operator information on the machine status and status of current cycle and service prompts
  • Display feedback of possible cycle faults via the liquid crystal display
  • Simplified heat control via one thermocouple with second Thermocouple on duplicated safety system
  • Simplified wiring directly from the machine outputs to the connector blocks on the circuit board
  • Improved door seal arrangement to enhance door integrity during recovery process
  • Rear dross chute enabling easy or automatic removal of dross from behind the piston during cycling simplifies maintenance and cleaning
  • Light Stack both warning and functional.

Integral Air Filtration and Extraction – Stand Alone Filter (SAF)

The fume extraction unit draws a current of air across the heating chamber, and filters this air before returning it to the atmosphere. This process removes gaseous particulate, which may be produced during the solder recovery process or during the dross ejection phase of the process.

As details under Routine Maintenance, it is important that the input slots and the extraction port are kept clear, as any reduction in the rate of airflow will affect the performance of the equipment.

1. SPECIFICATIONS

The manual relates to the EVS 8K and EVS 10K lead and Lead Free Solder Recovery Systems.

SYSTEM

EVS 8k/EVS 10K Solder Recovery Machine
EVS Trolley / Cart
Stand Alone Filter
Drop Thru Hopper & Chute
Hopper Extraction Hood

DIMENSIONS Metric - mm/kgs Imperial - inches/lbs
Machine Width 350 13.8
  Height 570 22.4
  Length 1080 42.5
  Weight 93kgs 205lbs
Trolley/Cart Width 510 20
  Height 960 37.8
  Length 1195 47
  Weight 50kgs 141lbs
Std - Stand Alone Filter (SAF) 5000-200
  Width 320mm 12.6ins
  Height 525mm 20.7ins
  Length 320mm 12.6ins
  Weight 30kg 66.1lbs
Option - High Solids Fluxes Only (SAF) 1/7/9-200-HS
  Width 380mm 15.0ins
  Height 590mm 23.3ins
  Length 380mm 15.0ins
  Weight 40kg 88.2lbs
CAPACITY      
Dross Chamber EVS 8K 10 kg 22 lbs
  EVS 8KLF 7 kg 14 lbs
  EVS 10K 20 kg 40 lbs
  EVS 10KLF 12 kg 28 lbs
Solder Tray EVS 7000 8kg 18lbs
  EVS 9000 18kg 40lbs

1.1 POWER REQUIREMENTS

Minimum 210 volts x 13 amps
Maximum 240 volts x 13 amps
Single Phase 50 / 60 hz
Electrical consumption 2100 Watts peak

NB: The unit Must be earthed at all times when in operation

AIR PRESSURE 1350kPa 6 Bar/88 psi
Maximum Air Consumption 0.12m3/min 4ft3/min

NB: Only during compression and cooling cycle 6 to 10 minutes approximately.

OPTIONS

Spare Solder Trays
Spares Kits
Filter Kits
High Solids Filter

Optional for multiwave dedrossing
Levels L1, L2, L3
Levels F1, F2, F3
New HS High Solids Fume Extraction

CONTROLS

Power on
Start button
Cycle Light
Ready Light
Auto/Manual Button
Mode Button
Cover Lock     ) Indicators
Hopper Door  ) with automatic
Tray Sensor    ) fail safe cut out
LCD Display Showing:-

Temperature
Cycle time elapsed
Cycle count
Fault status
Maintenance status

WARNING AND FUNCTIONAL LIGHT STACK

SAFETY FEATURES

Fail safe cut out switches for EVS and SAF
Emergency Stop
Automatic over temperature cut out
Fuse protected circuits
Additional temperature control for H-Bands
Solid State Relays
Integral Hopper Lock
Solder Tray Lock
Air Knife on solder tray
Air Knife of dross chute
Automatic Cover Open Cut Out
Pull out Tray for solder ingot tray
Pull out Tray for filter box
Pull out tray for dross bin/bucket


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