Fleet & Industrial Supply Center, Regional Contracts Dept, Attn: Bid Officer/Code 210A94, 937 N. Harbor Drive, Suite 212, San Diego, CA 92132-0212

66 -- X-Y POSITIONING STAGE SOL N00244-98-Q-0381 DUE 083198 POC Joan Balazs 619-532-2892 FAX 619-532-2347 WEB: Click here to obtain more information regarding FISC, http://www.sd.fisc.navy.mil. E-MAIL: click here to contact the Contracting Officer via, joan_balazs@sd.fisc.navy.mil. Modification to Submission No. 235486, submitted 8/11/98. The closing date has been extended to 31 Aug. 1998. Modification processed to answer question asked regarding the procurement of an XY Positioning Stage.(1) Question: What is the weight of the load? Answer: 600lbs, (2) Question: Where is the load with respect to the center of the carriage? Answer: Dimensions of load: essentially 3 objects each 24" length x 12" diam. On 12" X 24" platforms. (3) Question: Travel Rate? Answer: Load distribution: 200 lbs at center and 200 lbs + in from center. Travel distance and rate: + in. X direction (48 in total); + 9 in. in Y direction (18 in. total) Travel rate shall be about 1in/sec. (4) Question: What is the most difficult move profile (distance and time)? Answer: Most difficult move (distance and time): 24 inches in X direction in 24 seconds. (5) Question: Repeatability. Answer: Repeatability: <0.0002 in. (5 microns).(6) Question: Accuracy. Answer: Accuracy: <0.0002 in. (5 microns) (7) Question: Ambient temperature. .Answer: Ambient temperature: 68-78 F (8) Question: What is the environment? Answer: Laboratory/low humidity. (9) Question: What is the size of the carriage carrying the load? Answer: Dimensions of translation carriage platform: approximately 3 ft W X 6 ft L; 5/8-1 in. thickness. Dimensions of base plate platform: 3 ft W X 8 ft L; 1 in. greater in thickness. Height of system: approximately 8-11 inches. (10) Question: Are limit switches required? Answer: Limit switches are required for safety.(11) Question: What is life of table? Answer: Lifetime of stage: approximately 630 in. per day 5 days per week; estimate 50 weeks per year usage for period of 9 years: 1,417,500 inches of travel. ADDITIONAL INFORMATION: Carrier platform and base platform shall be flat, smooth black anodized aluminum (any type), Carrier platform shall contain -20 threaded stainless steel helicoils on 1 inch centers in. from edges and in interior space which does not interfere with structural components in order to accommodate and secure load.; Based platform shall contain -20 clear holes C' bored for cap-head bolts on 1 inch centers " from edges and in interior space which does not interfere with structural components in order to secure system to supports and optical table.; Translati0on of carrier platform may be accomplished utilizing stepper-motors.; Screw backlash shall be minimized with use of ground Acme lead screws or equivalent or better. Contractor hall provide necessary hardware, software and cable for executing automated and programmable carrier stage X-Y translation compatible with use of microprocessor or optional customers' PC computer with Windows 95 or 98 operating system. Posted 08/19/98 (W-SN238986). (0231)

Loren Data Corp. http://www.ld.com (SYN# 0379 19980821\66-0017.SOL)