Scroll pump - Revision history

Mcmaster: /* Commercial */

2021-06-17T06:45:53Z

‎Commercial

Mcmaster: /* Commercial */

2021-06-17T06:44:11Z

‎Commercial

Mcmaster at 06:31, 17 June 2021

2021-06-17T06:31:06Z

Mcmaster at 02:58, 9 June 2021

2021-06-09T02:58:13Z

Mcmaster at 02:54, 9 June 2021

2021-06-09T02:54:21Z

Mcmaster at 09:26, 21 May 2021

2021-05-21T09:26:51Z

Mcmaster at 09:12, 21 May 2021

2021-05-21T09:12:46Z

Mcmaster at 08:59, 21 May 2021

2021-05-21T08:59:55Z

Mcmaster at 08:17, 21 May 2021

2021-05-21T08:17:23Z

Mcmaster at 22:33, 19 May 2021

2021-05-19T22:33:41Z

@@ Line 80: / Line 80: @@
 |XDS10
+|
-|$353
+|[https://www.vacuumpumpsupply.com/edwards-a72601805-tip-seal-kit-xds5-5c-10-10c/ $225]
 -06-16
 |[https://www.idealvac.com/Edwards-XDS5/pp/P102620 Link]

@@ Line 76: / Line 76: @@
 -05-19
+|
 |}
 Compatibility between these? Could we match one of the less expensive kits to one of the more expensive pump rebuilds?
@@ Line 117: / Line 125: @@
 Edwards XDS 10
-* Per pump need:
+*Per pump need:
-** 0.090" wide
+**0.090" wide
-** 0.1055 thick
+**0.1055 thick
-** Length: 115"
+**Length: 115"
-* New rebuild kit
+*New rebuild kit
-** 0.0900" wide
+**0.0900" wide
-** 0.1055" thick
+**0.1055" thick
-** Remainder: qty 2, 2.5" long each
+**Remainder: qty 2, 2.5" long each
-** Estimated length: 55 + 2.5 => 57.5"
+**Estimated length: 55 + 2.5 => 57.5"
-* Used / near EOL
+*Used / near EOL
-** 0.0900" wide
+**0.0900" wide
-** 0.0990  to 0.1015 thick
+**0.0990  to 0.1015 thick
-** Qty 2, 54-55" long each
+**Qty 2, 54-55" long each

← Older revision		Revision as of 06:31, 17 June 2021
Line 114:		Line 114:

	===Material (yellow)===		===Material (yellow)===
		+
		+	Edwards XDS 10
		+
		+	* Per pump need:
		+	** 0.090" wide
		+	** 0.1055 thick
		+	** Length: 115"
		+	* New rebuild kit
		+	** 0.0900" wide
		+	** 0.1055" thick
		+	** Remainder: qty 2, 2.5" long each
		+	** Estimated length: 55 + 2.5 => 57.5"
		+	* Used / near EOL
		+	** 0.0900" wide
		+	** 0.0990 to 0.1015 thick
		+	** Qty 2, 54-55" long each

@@ Line 8: / Line 8: @@
 Summary:
-* Bush black: 1:1 mix of PTFE and graphite
+*Bush black: 1:1 mix of PTFE and graphite
-* Yellow (ex: Edwards XDS 10): probably some Rulon variant
+*Yellow (ex: Edwards XDS 10): probably some Rulon variant
-* Someone has tried PU foam, UMHW PE film w/ moderate success
+*Someone has tried PU foam, UMHW PE film w/ moderate success
@@ Line 145: / Line 145: @@
 *https://www.youtube.com/watch?v=zWkPf-5k9RU
 **About Rulon 142

@@ Line 6: / Line 6: @@
 How to know when tip seal is running low without opening / hearing grinding? What it be helpful to install hour counter?
-Comments:
+* Bush black: 1:1 mix of PTFE and graphite
 *We have made our own tip seals before
@@ Line 34: / Line 40: @@
 Anything quick to try?
-* https://www.mcmaster.com/o-ring-cord-stock/cross-section-shape~square/
+*https://www.mcmaster.com/o-ring-cord-stock/cross-section-shape~square/
-** Roughly the right size but too high friction
+**Roughly the right size but too high friction<br />
 ===Commercial===
@@ Line 84: / Line 89: @@
 ===Material (black)===
 Busch black gasket material analysis

@@ Line 31: / Line 31: @@
 *"it seems like you can get them in a mix of bronze, carbon, and MoS2"
 <br />
 ===Commercial===
 Sample commercial pricing. Keep distributors anonymous unless they explicitly list pricing

@@ Line 86: / Line 86: @@
 Busch gasket dimensions
-* Height
+*Maybe 2.5 mm => 0.0098" square
-** Channel: maybe 0.075"
+*Height
-** Gasket (worn): around 0.080"
+**Channel: maybe 0.075"
-* Width
+**Gasket (worn): around 0.080"
-** Channel: maybe 0.095" wide
+*Width
-** Gasket: maybe 0.096" wide
+**Channel: maybe 0.095" wide
-* Scroll area: around 7"
+**Gasket: maybe 0.096" wide
-* Length needed: around 276" (23')
+*Scroll area: around 7"
-** Gasket length: around 69"
+*Length needed: around 276" (23')
-** Gaskets: 4
+**Gasket length: around 69"
 McMaster-Carr has bronze filled PTFE sheets

@@ Line 9: / Line 9: @@
 Comments:
-* We have made our own tip seals before
+*We have made our own tip seals before
-* Stopped since they seemed to last a little under half as long as the proper ones
+*Stopped since they seemed to last a little under half as long as the proper ones
-* https://www.mcmaster.com/86375K162/
+*https://www.mcmaster.com/86375K162/
-** Resilient Polyurethane Foam Sheet
+**Resilient Polyurethane Foam Sheet
-** with Adhesive-Back, Medium, 12" x 12" x 1/16"
+**with Adhesive-Back, Medium, 12" x 12" x 1/16"
-* https://www.mcmaster.com/1441T21/
+*https://www.mcmaster.com/1441T21/
-** Slippery UHMW Polyethylene Film
+**Slippery UHMW Polyethylene Film
-** Adhesive-Back, 12" x 12" x 3/64"
+**Adhesive-Back, 12" x 12" x 3/64"
-* then it's just held in the frame pictured above and waterjet
+*then it's just held in the frame pictured above and waterjet
-* the little bit we have left says UH-9, PORON
+*the little bit we have left says UH-9, PORON
-* I mean we also run 24/7
+*I mean we also run 24/7
-* so tip seal replacements after about a year of runtime instead of 2-3
+*so tip seal replacements after about a year of runtime instead of 2-3
-* also the DIY ones definitely produced more "dust"
+*also the DIY ones definitely produced more "dust"
 [https://defseals.en.made-in-china.com/product/lyunBfIDXwcR/China-Tip-Seal-PTFE-Filled-Bronzed-Wear-Strips-Special-Designed-for-Scroll-Compressor.html Made-in-China]
-* Tip Seal PTFE Filled Bronzed Wear Strips Special Designed for Scroll Compressor
+*Tip Seal PTFE Filled Bronzed Wear Strips Special Designed for Scroll Compressor
-* PTFE + Bronze
+*PTFE + Bronze
-* Also used in hydraulic cylinders
+*Also used in hydraulic cylinders
-* "it seems like you can get them in a mix of bronze, carbon, and MoS2"
+*"it seems like you can get them in a mix of bronze, carbon, and MoS2"
 <br />
@@ Line 83: / Line 83: @@
 *FTIR has confirmed PTFE is primary organic
 *EDS analysis pending
 McMaster-Carr has bronze filled PTFE sheets

@@ Line 30: / Line 30: @@
 |How much does a pump cost..
 |-
+|Edwards
+|nXDS6i nXDS10i nXDS15i & nXDS20i
+|[https://www.globalvacuum.com/collections/edwards-repair-kits/products/edwards-nxds6i-nxds10i-nxds15i-nxds20i-tip-seal-kit Tip seal]
-−
+|
 |}
-=== Manufacturing gaskets ===
+===Manufacturing gaskets===
 Some suggested that these can only be injection molded
@@ Line 69: / Line 74: @@
 Looking at some rebuild kits
-* official kit has green viton orings not brown [for general gaskets]
+*official kit has green viton orings not brown [for general gaskets]
 Other option could be use something like PTFE bronze that could wear off easier but it's 10X cheaper so you would endup changing the seal more frequently but without custom built orders