The National Emission Standards for Hazardous Air Pollutants (NESHAP) reg- ulations for the boat manufacturing industry have left many companies scrambling to change their building practices to meet the August 2004 deadline. One of the best ways to meet compli- ance and rid workers of protective paper suits, air filtered masks, rubber boots and gloves are by using several vacuum techniques. One example is vacuum bagging, which is used to remove air and excess resin from the core or fabric in the curing process. Another example is closed molding, which uses vacuum to distribute the resin through the reinforcing fabric placed between two mold surfaces to either saturate the fabric or fill the mold cavity. Some closed molding techniques being implemented include vacuum- assisted resin transfer molding (VARTM), resin-infusion molding process (SCRIMP) and vacuum assisted compression molding. Vectorworks Inc., located in Titusville, Florida chose a Busch R 5 rotary vane vacuum pump to provide the vacuum necessary to perform these processes. Vectorworks provides design, engineer- ing, machined tooling, molds and com- plete fabrication for the boat and yacht industry. They have a true “Concept to Completion” operation, which allows them to design yachts, build molds for boat manufacturers and construct completed mega yachts in excess of 100 feet in length. “We chose to use vacuum, not just to comply with NESHAP, but to help con- trol our cost of materials by minimizing resin waste. A side benefit is that this process creates a stiffer, stronger and lighter composite,” said Kurtis Hopf, the Director of Operations for Vectorworks. “We recently completed the molds used to form the hull and superstructure for a 136 foot, high speed mega yacht. It was essential that the hull be exception- ally strong and feather light to hit designed target speeds in excess of 50 miles per hour. The Busch R 5 0063 rotary vane vacuum pump was an extremely reliable source of vacuum, which was able to perform this process and meet our requirements. In addi- tion, the pump was quiet and small enough to move from point-to-point inside the hull,” said Hopf. The Busch R 5 is a rugged, oil recirculat- ing vacuum pump that is air cooled and it reaches an end vacuum of 29.3” Hg. The Busch R 5 also has a built-in four stage exhaust filtration system that provides a 99.9% oil-free exhaust and it is ideal for all of the vacuum intensive processes in the resin and molding industries. The R 5 is designed to run continuously for uninterrupted transfer of resin material and time-consuming curing processes. Kurtis Hopf agrees. “The Busch R 5 vacuum pump requires very few preventative maintenance items and its performance and reliability have proven to us to be dependable in our environment” Busch, Inc 516 Viking Drive Virginia Beach, VA 23452 1-800-USA-PUMP www.buschpump.com R 5 Cutaway R 5 0063 Vacuum Pump Vacuum Pump Minimizes Resin Waste, Creates Better Molds and Meets NESHAP Requirements

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“The Busch R 5 vacuum pump requires very few preventative maintenance items and its performance and reliability have proven to us to be dependable in our environment” industry. They have a true “Concept to Completion” operation, which allows them to design yachts, build molds for boat manufacturers and construct completed mega yachts in excess of 100 feet in length. R 5 0063 Vacuum Pump

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One of the best ways to meet compli-ance and rid workers of protectivepaper suits, air filtered masks, rubberboots and gloves are by using severalvacuum techniques. One example isvacuum bagging, which is used toremove air and excess resin from thecore or fabric in the curing process.

Another example is closed molding,which uses vacuum to distribute theresin through the reinforcing fabricplaced between two mold surfaces toeither saturate the fabric or fill the moldcavity. Some closed molding techniquesbeing implemented include vacuum-assisted resin transfer molding(VARTM), resin-infusion moldingprocess (SCRIMP) and vacuum assistedcompression molding.

Vectorworks Inc., located in Titusville,Florida chose a Busch R 5 rotary vanevacuum pump to provide the vacuumnecessary to perform these processes.Vectorworks provides design, engineer-ing, machined tooling, molds and com-plete fabrication for the boat and yacht

industry. They have a true “Concept toCompletion” operation, which allowsthem to design yachts, build molds forboat manufacturers and construct com-pleted mega yachts in excess of 100feet in length.

“We chose to use vacuum, not just tocomply with NESHAP, but to help con-trol our cost of materials by minimizingresin waste. A side benefit is that thisprocess creates a stiffer, stronger andlighter composite,” said Kurtis Hopf, theDirector of Operations for Vectorworks.

“We recently completed the molds usedto form the hull and superstructure for a136 foot, high speed mega yacht. Itwas essential that the hull be exception-ally strong and feather light to hitdesigned target speeds in excess of 50miles per hour. The Busch R 5 0063rotary vane vacuum pump was anextremely reliable source of vacuum,which was able to perform this processand meet our requirements. In addi-tion, the pump was quiet and smallenough to move from point-to-pointinside the hull,” said Hopf.

The Busch R 5 is a rugged, oil recirculat-ing vacuum pump that is air cooled andit reaches an end vacuum of 29.3” Hg.The Busch R 5 also has a built-in fourstage exhaust filtration system that pro-vides a 99.9% oil-free exhaust and it isideal for all of the vacuum intensive

processes in the resin and moldingindustries. The R 5 is designed to runcontinuously for uninterrupted transferof resin material and time-consumingcuring processes. Kurtis Hopf agrees.

“The Busch R 5 vacuum pump requiresvery few preventative maintenanceitems and its performance and reliabilityhave proven to us to be dependable inour environment”

Busch, Inc516 Viking Drive

Virginia Beach, VA 234521-800-USA-PUMP

www.buschpump.comR 5 Cutaway

R 5 0063 Vacuum Pump

Vacuum Pump Minimizes Resin Waste, CreatesBetter Molds and Meets NESHAP Requirements