1. Free Rise Testing Work Station Sherry Parker, Jean Nei, Nick Makie, and Nicole Ryan

2. Identification Of The Need When chemicals are produced they need to be tested by the supplier to be sure that the production has been duplicated properly. When chemicals are produced they need to be tested by the supplier to be sure that the production has been duplicated properly. When these chemicals are accepted by a customer it is important that they can verify that the chemicals have been duplicated properly and meet the needed specifications. When these chemicals are accepted by a customer it is important that they can verify that the chemicals have been duplicated properly and meet the needed specifications.

5. Identification Of The Need To ensure that the results of the testing done by the supplier is the same as the results of the testing done by the customer it is important that both facilities have the same or close to the same testing equipment, and accuracy. To ensure that the results of the testing done by the supplier is the same as the results of the testing done by the customer it is important that both facilities have the same or close to the same testing equipment, and accuracy.

6. Problem Definition The equipment used by the supplier is different from the equipment used by the customer. The equipment used by the supplier is different from the equipment used by the customer. Neither facility has very accurate equipment to do the testing with. Neither facility has very accurate equipment to do the testing with. Specifications were set using much more accurate equipment. Specifications were set using much more accurate equipment. A new more accurate work station is necessary to ensure good production. A new more accurate work station is necessary to ensure good production.

7. Search An Engineer from each facility was interviewed to obtain specifications for testing procedures, equipment specifications, and chemical specifications. An Engineer from each facility was interviewed to obtain specifications for testing procedures, equipment specifications, and chemical specifications. MSDS sheets for each of the chemicals involved in the testing was obtained from the customer. MSDS sheets for each of the chemicals involved in the testing was obtained from the customer.

8. Search continued The internet was used to obtain examples of the equipment which could be used for the work station, and the costs. The internet was used to obtain examples of the equipment which could be used for the work station, and the costs. A lumber store was visited to obtain costs for the 1/2” fire treated plywood which could be used for the support construction. A lumber store was visited to obtain costs for the 1/2” fire treated plywood which could be used for the support construction. A glass store was visited to obtain costs for types of glass which could be used for the shield construction. A glass store was visited to obtain costs for types of glass which could be used for the shield construction.

10. Constraints continued

11. Criteria Procedures from both sites should be identical and have the same standard specifications. Procedures from both sites should be identical and have the same standard specifications. The viscometer used must be capable of meeting 20 RPM and use spindle #3. The viscometer used must be capable of meeting 20 RPM and use spindle #3. The mixer must be capable of meeting 3000 RPM and be continuous mix. The mixer must be capable of meeting 3000 RPM and be continuous mix.

12. Criteria continued The timer should be small, but able to reach multiple splits or time outs, and have recall. The timer should be small, but able to reach multiple splits or time outs, and have recall. The scale must be able to read up to 1000+ grams have a reading range of at least 0.1g, and have a low error rate. The scale must be able to read up to 1000+ grams have a reading range of at least 0.1g, and have a low error rate. The work station housing must be large enough to house all of the equipment, but small enough to fit within the existing work station. The work station housing must be large enough to house all of the equipment, but small enough to fit within the existing work station.

13. Alternatives(mixers) This mixer has a speed range of 60 to 6000 RPM. Uses a power supply which can be hooked up to a 115V outlet. Cost for the mixer head is $390.00.

14. Alternatives(mixers) This mixer has a speed range of 0 to 6000 RPM. Dimensions of 4” x 7 1/2” x 4 1/2”. The control box is in the head. Cost of $445.00.

15. Alternatives(mixers) This mixer has a speed range of 0 to 6000 RPM. Control unit is separate from the mixer. Cost of $909.37.

16. Alternatives(viscometers) This viscometer has easy speed adjustment and on/off control. Electronic drive for quiet, reliable operation. Universal power supply with adapters. Cost of $1,495.00.

17. Alternatives(viscometers) This viscometer has direct display in cP or mPa.s, or % Torque, Spindle, and Speed. 18 Speeds for greater range capacity. Accuracy 1%, Repeatability: 0.2% Cost of $1,745.00.

18. Alternatives(viscometers) This viscometer senses and displays continuously viscosity, temperature, % scale, speed, spindle. 18 speeds Optional temperature probe. Accuracy of +or-1.0% cost of $2,095.00.

19. Alternatives(scales) This scale has a weighing range of 0 to 1200g. Readability of 0.1g. Linearity of +/-0.1g. Pan size of 5”x 5 ¾”. Overall 8 ¼” x 6 ¾” x 2 3/8”. Runs on one 9V battery. Cost of $340.00.

20. Alternatives(scales) This scale has a weighing range of 0 to 1500g. Readability of 0.05g. Linearity of +/-0.05g. Pan size of 7 1/8” x 5 5/8”. Overall 8 3/8” x 7 5/8” x 2 5/8”. Comes with an AC adapter. Cost of $495.00.

21. Alternatives(scales) This scale has a weighing range of 0 to 2100g. Readability of 0.1g. Linearity of +/-0.1g. Pan size of 5 ½” x 6”. Overall 10 ½” x 7 ¼” x 2 ¼”. Runs on 8 AA batteries. Cost of $615.00

22. Alternatives(timers) Timer has memory which stores two separate times. Sets on the bench or table. Two-memory recall. Accuracy of 0.01%. Runs on a 1-year battery. Cost of $19.64.

23. Alternatives(timers) Timer allows an infinite number of time outs. Sets on bench or table. Resolution of 0.01s. Accuracy of 0.001%. Runs on 2-year AA alkaline batteries. Cost of $96.71.

24. Alternatives(timers) Timer has four different display formats: 99 hrs, 59 min, 59 s, and 99 hundredths; seconds; minutes; and hours. Four timing modes including single-action, time-in/time-out, cumulative split, and interval split. Accuracy of 0.001%. Cost of $230.73.

25. Alternatives(housing assembly) A Lumber Yard was contacted to obtain the cost of one 4’ x 8’ sheet of fire treated plywood, cost $36.40. A Lumber Yard was contacted to obtain the cost of one 4’ x 8’ sheet of fire treated plywood, cost $36.40. The 1” x 1” L-clamps which will be necessary to assemble the housing, cost for 16, $7.72. The 1” x 1” L-clamps which will be necessary to assemble the housing, cost for 16, $7.72. A glass store was contacted to obtain the cost of a piece of plexiglass 74” x 10”, cost $32.00. A glass store was contacted to obtain the cost of a piece of plexiglass 74” x 10”, cost $32.00. The silicone which will be necessary to assemble the face shield, cost for one tube, $6.00. The silicone which will be necessary to assemble the face shield, cost for one tube, $6.00. The four screws, ½”, necessary to attach the shield to the housing, $0.40. The four screws, ½”, necessary to attach the shield to the housing, $0.40. A multi outlet bar for electrical source was priced, cost $12.00. A multi outlet bar for electrical source was priced, cost $12.00.

26. Alternatives(housing assembly)

29. Analysis Each piece of equipment was compared with the specifications obtained from the Engineers. Each piece of equipment was compared with the specifications obtained from the Engineers. The work station housing choices were compared with the sizes of the equipment available, the amount of allowable space at the site, and the versatility of the equipment being used within the housing. The work station housing choices were compared with the sizes of the equipment available, the amount of allowable space at the site, and the versatility of the equipment being used within the housing. Cost remained a great concern throughout the analysis process. Cost remained a great concern throughout the analysis process.

30. Decision(mixer) This mixer was chosen because the controller is contained within the mixer head reducing space needed. It meets all of the criteria set by the Engineers. It comes with the aluminum mounting rod. The cost of $445.00 is reasonable for the features.

31. Decision(viscometer) This viscometer was chosen because it meets the criteria set by the Engineers. 8 pre-set speeds which can be easily obtained using the speed control knob. A universal power supply for worldwide power sources. Cost of $1,495.00 is reasonable for the features.

32. Decision(scale) This scale was chosen because it meets the criteria set by the Engineers. The readability is 0.05g, and the linearity is +/- 0.05g. The overall size makes it small yet reliable. It come with a rechargeable battery and an adapter. Cost of $495.00, reasonable for the features.

33. Decision(timer) This timer is more expensive, but it was chosen because it has all of the necessary features for testing. Resolution of 0.001s, accuracy of 0.001%. Uses a standard 9V battery. Cost $270.73.

34. Decision(housing assembly)

35. Specifications The actual costs for the overall work station, not including time necessary for assembly: The actual costs for the overall work station, not including time necessary for assembly: Total Cost: $2,800.25. Total Cost: $2,800.25.

36. Communication Presented to site Engineers for their evaluation. Presented to site Engineers for their evaluation. Prototype assembled to give a better visual representation. Prototype assembled to give a better visual representation.