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Machining Mist and Smoke Extraction

Field Profiles

1. Machining Mist Collection

Application: Custom job shop manufacturer operates various CNC machine tools which generate soluble coolant mist. Project involved direct source capture to eight machine tools. Use of the system resulted in operator protection and re-circulation of tempered shop air.

Filtration Equipment: Two AirFlow Systems Mist Pac Series Model MP30; Two Mist Pac MP4 Self-Contained Mist Collector Air Filter, including 5 hp and 1 hp motors respectively

Special Equipment: Torit Easy Duct Clamping Duct System and Custom Hood Tool Connections

Location: Colorado

Type of Dust/Smoke: Soluble coolant mist

CFM/Static Pressure: MP30s each = 3000 cfm @ 4.5" s.p.; MP4s each = 800 cfm @ 1.2" s.p.

Dust/Smoke Load: Moderate

Filter Velocity: N/A

Filter Type: Mist Pac Mist Filtration Filters

© Copyright 2013 Airpro, Inc.

2. Machining Mist CollectionóRetrofit Project

Application: Large machine shop generated soluble coolant mist from various CNC machine tools. Original mist collection system used round style centrifugal mist collectors with flex-duct connections to tools. Low airflow from high resistance flex duct and maintenance-intensive collectors exacerbated visible mist problems. The Torit Dryflo collectors with high pressure blowers provided increased air flow and prolonged filter life, thereby containing coolant mist at its source and maintaining constant air flow over a longer period of time.

Filtration Equipment: Eighteen Torit Dryflo Model DMC-MMB, DMC-C, Self-Contained Cartridge Filter Mist Collection Units, including Blowers, 3 hp and 1 hp, respectively

Special Equipment: Torit Easy Duct Clamping Duct System and Factory Supplied Floor Stands

Location: Colorado

Type of Dust/Smoke: Soluble coolant mist

CFM/Static Pressure: DMC = 1000 cfm; MMB = 400 cfm

Dust/Smoke Load: Heavy—Two shift plant operations

Filter Velocity: DMC at 7.1 fpm, MMB at 4.9 fpm

Filter Type: Torit Mist Collection Cartridge Filters

© Copyright 2013 Airpro, Inc.

3. Machining Mist / Smoke Collection

Application: CNC Machine Tool creates coolant mist/smoke from machining process.

Filtration Equipment: Torit Dryflo Model DMC-MMA Machine Mountable Unit

Special Equipment: HEPA Afterfilter

Location: Colorado

Type of Dust/Smoke: Soluble coolant mist

CFM/Static Pressure: 600 cfm @ 2.5" s.p.

Dust/Smoke Load: Moderate

Filter Velocity: N/A

Filter Type: Oil Mist Cartridge Filter with Polyester Wrap

© Copyright 2013 Airpro, Inc.

4. Machine Shop Mist / Smoke Control

Application: Ambient air cleaners clean general shop air, source capture systems duct directly to machine tools, portable filter used throughout the shop.

Filtration Equipment: Four AirFlow Systems 1200 VOM Source Capture Air Cleaners; Four AirFlow Systems F70R Ambient Air Cleaners; One AirFlow Systems Mist Pac Source Capture Air Cleaner; One AirFlow Systems PC Portable Air Cleaner

Special Equipment: Welded, Powder-coated Ducting for Source Capture Systems

Location: Colorado

Type of Dust/Smoke: Coolant mist, EDM smoke/odors, oil smoke, graphite dust

CFM/Static Pressure: 1200 VOM units each = 1000 cfm; Mist Pac units each = 500 cfm; ambient units each = 2500 cfm

Dust/Smoke Load: Moderate

Filter Velocity: N/A

Filter Type: 95% Bag Type; Portable Unit uses Cartridge Filters

© Copyright 2013 Airpro, Inc.