Mill Masters has developed their first tube stacker for the flat oval tube industry. It has been a long road, but Mill Masters has designed, built, and tested the first of a long line of high speed tube stackers.
The thin wall tube industry has been waiting a long time for a stacker that will finally handle the short length heater core tubes without having to slow the tube mill down to a crawl. Mill Masters new stacker can handle tubes from 150 mm long to 1000 mm long in a variety of tube heights ranging from 12 mm to 40 mm.

These new stackers is a completely new design developed exclusively by Mill Masters and is now available for 2005.

Increasing efficiency requirements and the shift to more environmentally friendly refrigerants are driving the need for more efficient air conditioning condenser coils. In January 2006, the U.S. Department of Energy standard for unitary residential central air conditioners and heat pumps will increase to 13 SEER – a 30 percent increase in efficiency. The condenser assembly and headering machine will consist of the following three pieces of equipment making up one cell. It will be used in conjunction with a separately supplied Fin Machine. 1). Fin transfer conveyor and diverter gate A belt conveyor will transport the fin from the fin machine to an air chute. The air chute will transport the fin from the conveyor to the condenser assembly machine. 2). Fin transfer shelf and push off mechanism This component will provide the support for the fin as it exits the fin chute, and will push the fin off into the assembly machine as required. (Approx. 12 fins per minute) 3). Condenser Assembly and Headering Machine This is a continuous type assembly fixture, which will stack the tubes and fins, then compress the condenser matrix to a finish size and then apply the headers. The condenser is to be held together with Banding Straps upon completion. THIS CELL WILL BE CAPABLE OF ASSEMBLING CONDENSERS WITHIN THE FOLLOWING RANGE OF SPECIFICATIONS: • Single row of tube .......................... .708” or 1.0” height (18mm or 25mm) • Flush fin .........................................Same as tube height • Tube length capacity .......................60” to 90” (1524mm to 2311mm) • Side plate to side plate capacity .......16” to 34” (406mm to 864mm) 57 Tubes • Condenser weight ...........................60 lbs. Maximum (27 kg.) • 20 condensers per hour (depending on core size and fin machine output) • Electric…………………………. 460 volt, 3 phase, 60 cycle For more information please contact a Mill Masters sales representative. Sales: (731) 668-5558 sales@millmasters.net

 

 

The condenser system consist of the following three pieces of equipment making up one cell: 1). FIN TRANSFER CONVEYOR A belt conveyor will transport the fin from the fin machine to an air chute. The air chute will transport the fin from the conveyor to the assembly machine and beyond to a second future assembly machine if required. 2). FIN TRANSFER SHELF AND PUSH OFF MECHANISM This component will provide the support for the fin as it exits the fin chute, and will push the fin off into the assembly machine as required.(Approx. 9 fins per minute) 3). CONDENSER ASSEMBLY AND HEADERING MACHINE This is an easel type assembly fixture, which will stack the tubes and fins, then compress the condenser matrix to a finish size and then apply the headers. The condenser is to be banded upon completion. THIS CELL WILL BE CAPABLE OF ASSEMBLING CONDENSERS WITHIN THE FOLLOWING RANGE OF SPECIFICATIONS: • Single row of tube ............................. 25 mm tooling height only • Flush fin ........................................... Same as tube height • Tube length capacity ......................... 60” to 90” • Side plate to side plate capacity ........ 14” to 34” • Condenser weight ............................. 45 lbs. maximum • Production rate……………………….. Five condensers per hour Cutoff Machine Specifications: THE CONDENSER ASSEMBLY AND HEADERING MACHINE ARE COMPRISED OF THE FOLLOWING COMPONENTS: • An "A" frame type base with the working surface set at 85º to the floor. • Center bed with clearance slots for banding. • Two tube chutes to contain the tubes and fins. • Left and right header slides. • Locator plates for positioning the header slides. • Upper and lower side plate holders. • Upper side plate to be retractable. • Two condenser hold down mechanisms, one attached to each header slide. • Two tube end alignment rails. • Indexing mechanism with three acme threads to position the lower side plate and carry out the core press. • Two header nests with pins for keeping the header on straight. • Capable of delivering 50 pounds of force each tube end or a total of 4000 pounds. • Pneumatic booster to increase the control pressure to 200 psi. • Air requirement 80 psi. • Electric requirement 460 volts, 3 phase, 60 cycles. • A/B SLC-5/03 for control. For more information please contact a Mill Masters sales representative. Sales: (731) 668-5558 sales@millmasters.net