Changes

==Sponsor==

== Sponsor ==

Matt Triano

Matt Triano

==History==

== History ==

*2014-05-xx - Discussion open on member list

* 2014-05-xx - Discussion open on member list

*2014-xx-xx - Announced

* 2014-xx-xx - Announced

*2014-xx-xx - Vote

* 2014-xx-xx - Vote

==Background==

== Background ==

The proposal is to buy a cyclone style wood dust collection system that can bring the dust down to a safe level. The current system (Jet collector on the table saw, shop vacuums on the small machines) catches only the large particles and distribute the smallest, most dangerous, particles through the shop. Some of the woodworking tools, e.g. drill press & bandsaw, have no provisions for dust collection.

The proposal is to buy a cyclone style wood dust collection system that can bring the dust down to a safe level. The current system (Jet collector on the table saw, shop vacuums on the small machines) catches only the large particles and distribute the smallest, most dangerous, particles through the shop. Some of the woodworking tools, e.g. drill press & bandsaw, have no provisions for dust collection.

== Health Hazards of Wood Dust ==

== Health Hazards of Wood Dust ==

== Goals ==

== Goals ==

*Achieve better air quality inside the shop than outside.

* Achieve better air quality inside the shop than outside.

*Meet ACGIH air flow recommendations for each woodworking machine (400-1000 CFM). http://billpentz.com/woodworking/Cyclone/dc_basics.cfm#CFMRequirementsTable

* Meet ACGIH air flow recommendations for each woodworking machine (400-1000 CFM). http://billpentz.com/woodworking/Cyclone/dc_basics.cfm#CFMRequirementsTable

*4000 FPM air flow in ducting.

* 4000 FPM air flow in ducting.

*Meet American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) of 1 mg/m**3 Time Weighted Average (TWA).

* Meet American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) of 1 mg/m**3 Time Weighted Average (TWA).

== Dust Collector ==

== Dust Collector ==

== Down Drops ==

== Down Drops ==

Each large machine or cluster of small machines will require a down drop from the main duct to the machine port or manifold. The drop will require:  

Each large machine or cluster of small machines will require a down drop from the main duct to the machine port or manifold. The drop will require:  

*8x8x6 DWV PVC Wye fitting (the last drop on the main could use a 8"45 & 8" to 6" reducer instead of a wye. this would probably be cheaper the wye plus a cap.)

* 8x8x6 DWV PVC Wye fitting (the last drop on the main could use a 8"45 & 8" to 6" reducer instead of a wye. this would probably be cheaper the wye plus a cap.)

*6" 45 elbow

* 6" 45 elbow

*approximately 5' of 6" PVC pipe

* approximately 5' of 6" PVC pipe

*6" blast gate  

* 6" blast gate  

*short length of 6" flexible hose (length dependent on machine).

* short length of 6" flexible hose (length dependent on machine).

*switch (wireless or wired) to control the collector motor near the blast gate.

* switch (wireless or wired) to control the collector motor near the blast gate.

down drops:

down drops:

*SawStop table saw

* SawStop table saw

*ShopBot CNC router

* ShopBot CNC router

*Delta 14" bandsaw, router table

* Delta 14" bandsaw, router table

*jointer, drill press

* jointer, drill press

*planer, sanders, miter saw

* planer, sanders, miter saw

== Automating this stuff ==

== Automating this stuff ==

== Wood Working Machine Collection Strategies ==

== Wood Working Machine Collection Strategies ==

* ShopBot Router - A dust skirt with port is included with the machine. We will need to provide a flexible hose and support. Probably a transition from 6" down to the skirt port. Size of the port is unknown at this point.

* ShopBot Router - A dust skirt with port is included with the machine. We will need to provide a flexible hose and support. Probably a transition from 6" down to the skirt port. Size of the port is unknown at this point.  

* SawStop Table saw = Initially use 6" drop to a 6" to 4" tapered transition connected directly to the stock cabinet port. 3" duct to the blade guard. Consider this blade guard: http://www.thesharkguard.com/ Monitor result and increase the cabinet port size to 6" if required. Useful discussion on dust collection for the sawstop: http://lumberjocks.com/topics/33892

* SawStop Table saw = Initially use 6" drop to a 6" to 4" tapered transition connected directly to the stock cabinet port. 3" duct to the blade guard. Consider this blade guard: http://www.thesharkguard.com/ Monitor result and increase the cabinet port size to 6" if required. Useful discussion on dust collection for the sawstop: http://lumberjocks.com/topics/33892

* Jointer = currently has a port approximately 4" in diameter. It appears that we an install a 6" port without difficulty and with no permanent changes to the jointer.

* Jointer = currently has a port approximately 4" in diameter. It appears that we an install a 6" port without difficulty and with no permanent changes to the jointer.

* Mitre saw = this tool throws a lot of dust at high speed and is one of the more difficult tools to collect dust effectively. Definitely needs a shroud.  

* Mitre saw = this tool throws a lot of dust at high speed and is one of the more difficult tools to collect dust effectively. Definitely needs a shroud.  

* Delta 14" Bandsaw = Add a 4" port to a new lower wheel cover (make out of wood?) This is Ed's saw and we don't want to permanently modify the existing cover). http://www.highlandwoodworking.com/bandsaw-dust-control-that-works-2.aspx

* Delta 14" Bandsaw = Add a 4" port to a new lower wheel cover (make out of wood?) This is Ed's saw and we don't want to permanently modify the existing cover). http://www.highlandwoodworking.com/bandsaw-dust-control-that-works-2.aspx

* Belt/disk sander (probably needs a shroud for the belt, or just a better sander)

* Belt/disk sander (probably needs a shroud for the belt, or just a better sander)

* Planer (could probably use side shrouds)

* Planer (could probably use side shrouds)

For each down drop (5 total):

For each down drop (5 total):

*8x8x6 45 DWV PVC wye $44.76 https://www.plumbersstock.com/product/10258/8inx8inx6in-pvc-sdr35-wye/ (verify this supplier before relying on it.) alternative: $83 each http://www.nibco.com/Fittings/Plastic-Fittings/PVC-DWV-Fittings/4810-45-Wye-H-x-H-x-H-PVC-DWV/

* 8x8x6 45 DWV PVC wye $44.76 https://www.plumbersstock.com/product/10258/8inx8inx6in-pvc-sdr35-wye/ (verify this supplier before relying on it.) alternative: $83 each http://www.nibco.com/Fittings/Plastic-Fittings/PVC-DWV-Fittings/4810-45-Wye-H-x-H-x-H-PVC-DWV/

*6" 45 DWV PVC elbow $8 each http://www.lowes.com/pd_1824-676-6P03_4294765362__?productId=3452924&Ns=p_product_qty_sales_dollar|1&pl=1&currentURL=%3FNs%3Dp_product_qty_sales_dollar%7C1&facetInfo=

* 6" 45 DWV PVC elbow $8 each http://www.lowes.com/pd_1824-676-6P03_4294765362__?productId=3452924&Ns=p_product_qty_sales_dollar|1&pl=1&currentURL=%3FNs%3Dp_product_qty_sales_dollar%7C1&facetInfo=

*5' 6" DWV PVC pipe $11.50 each http://www.lowes.com/pd_86806-1814-PVC+04600++0600_0__?productId=3135431&Ntt=dwv+pvc+pipe&pl=1&currentURL=%3FNtt%3Ddwv%2Bpvc%2Bpipe&facetInfo=

* 5' 6" DWV PVC pipe $11.50 each http://www.lowes.com/pd_86806-1814-PVC+04600++0600_0__?productId=3135431&Ntt=dwv+pvc+pipe&pl=1&currentURL=%3FNtt%3Ddwv%2Bpvc%2Bpipe&facetInfo=

*6" blast gate $15 each http://www.clearvuecyclones.com/supporting-products/38-blast-gate-6.html

* 6" blast gate $15 each http://www.clearvuecyclones.com/supporting-products/38-blast-gate-6.html

* 3' 6" flexible tubing. $20 each

* 3' 6" flexible tubing. $20 each

== Installation ==

== Installation ==

The installation of the dust collection system will be done by PS1 volunteers. We will target the machines that produce the most dust first (likely the CNC router and table saw). Many of our woodworking machines have inadequate provisions for dust collection and will require custom shrouds and some tinkering to make them effective. This work may take longer than 90 days to complete for all the machines. Because of this, the spending authorization for the ducting and accessories will be extended.

The installation of the dust collection system will be done by PS1 volunteers. We will target the machines that produce the most dust first (likely the CNC router and table saw). Many of our woodworking machines have inadequate provisions for dust collection and will require custom shrouds and some tinkering to make them effective. This work may take longer than 90 days to complete for all the machines. Because of this, the spending authorization for the ducting and accessories will be extended.

The PVC joints will be sealed with silicone caulk rather than glued, to allow for reuse of the pipe and fittings if we have a layout change.

The PVC joints will be sealed with silicone caulk rather than glued, to allow for reuse of the pipe and fittings if we have a layout change.

For planning purposes: the current woodshop is approximately 34' x 21'. Ceiling is 14'.

For planning purposes: the current woodshop is approximately 34' x 21'. Ceiling is 14'.

==Electrical Requirements==

== Electrical Requirements ==

3 phase 230v, 12 amps. The collector motor will be switched through a relay controlled by a low voltage switches near each blast gate.

3 phase 230v, 12 amps. The collector motor will be switched through a relay controlled by a low voltage switches near each blast gate.

== Dust Collection Links ==

== Dust Collection Links ==

http://sandwichtechskis.com/ski-builders-shop.htm

http://sandwichtechskis.com/ski-builders-shop.htm

==Language==

== Language ==

Authorize the board to spend up to $4004 on a dust collection system. Authorization for the dust collector expires in 90 days. Authorization for the related equipment (ducting, hardware, ports, etc) expires in 180 days.

Authorize the board to spend up to $4004 on a dust collection system. Authorization for the dust collector expires in 90 days. Authorization for the related equipment (ducting, hardware, ports, etc) expires in 180 days.

==Receipts==

==Receipts==