Supply, testing, fabrication, assembly and qualification of components for gear train assembly of sfsb underwater cutting saw, dhruva -1.0 supply & testing of stainless steel spur gears of following types & sizes: 1.1 motor pinion conforming to 17-4 ph: pitch dia: 60, od: 66, id: 25, no. of teeth: 20, module: 3, pressure angle: 20°. width: 25.5. (part no: 8a) 1.2 tg-1 conforming to astm a 304: pitch dia: 108, od: 114, id: 28, no. of teeth: 36, module: 3.0, pressure angle: 20°. width: 25.5.(part no: 8b) 1.3 mp-1: integrated shaft with pinion conforming to 17-4 ph, pitch dia: 62.5, od: 67.5, no. of teeth: 25, module: 2.5, pressure angle: 20°. width: 27. (shaft l: 140 x od: 33). (part no: 9a) 1.4 mg-2 conforming to astm a 304: pitch dia: 112.5, od: 117.5, id: 30, no. of teeth: 45, module: 2.5, pressure angle: 20°. width: 27.(part no: 8d) 1.5 bg-2 conforming to astm a 304: pitch dia: 90, od: 95, id: 30, no. of teeth: 36, module: 2.5, pressure angle: 20°. width: 27.(part no: 8e) 1.6 bg-3 conforming to astm a 304: pitch dia: 100, od: 105, id: 30, no. of teeth: 40, module: 2.5, pressure angle: 20°. width: 27. (part no: 8f) 1.7 tp-3: integrated shaft with pinion conforming to 17-4 ph: pitch dia: 51, od: 57, no. of teeth: 17, module: 3.0, pressure angle: 20°. width: 30. (shaft l: 140 x od: 33). (part no: 9c) 1.8 tg-4 conforming to astm a 304: pitch dia: 138, od: 144, id: 30, no. of teeth: 46, module: 3.0, pressure angle: 20°. width: 30. (single gear spaced on gt-4). (part no: 8h) 1.9 cutter pinion conforming to 17-4 ph: pitch dia: 60, od: 66, id: 30, no. of teeth: 20, module: 3.0, pressure angle: 20°. width: 30. (part no: 8j) 2.0 ss shaft of following types & sizes: 2.1 ss shaft conforming to astm a 304 of l: 140 x od: 30. (between sr. no: 1.4 & 1.5). (part no: 9b) 2.2 ss shaft conforming to astm a 304 of l: 140 x od: 30. (between sr. no: 1.8). (part no: 9d) 2.3 ss shaft for cutter conforming to 17-4 ph of l: 280 x od: 90. (part no: 9e) 3.0 phosphor bronze bush of following types & sizes: 3.1 type-1: collar od: 55 x t 5.0; od: 28, id: 20, l; 23(for sr. no: 1.2, 1.3, 1.4 &1.5). . (part no: 10a) 3.2 type-2: collar od: 60 x t 5.0; od: 33, id: 25, l; 23(for sr. no: 1.6, 1.7, 1.8 both side & cutter shaft).(part no:10b) 3.3 type-3: collar od: 65 x t 5.0; od: 38, id: 30, l; 23(for cutter shaft).(part no: 10c) 3.4 type-4: collar od: 52 x t 5.0; od: 33, id: 25, l; 28(for cutter shaft). (part no: 10d) 4.0 phosphor bronze spacers of following types & sizes: 4.1 type-1: spacer; od: 42, id: 30, l; 31.5 (for sr. no: 1.4 & 1.5 top). (part no: 14a) 4.2 type-2: spacer; od: 42, id: 30, l; 18.0 (for sr. no: 1.6 & 1.7 middle). (part no: 14b) 4.3 type-3: spacer; od:42.5, id: 30, l; 56.5 (for sr. no: 1.8 & cutter shaft). (part no: 14c) 4.4 type-4: spacer; od: 42, id: 30, l; 5.0(for cutter shaft). (part no: 14d) 5.0 nuts ss-304, od: 74, t:25 for m16 x 1.5 pitch bolts for cutter 6.0 ss 304 keys of suitable sizes for assembly (4 nos. each : 6 types). 7.0 m-3x 12 (0.5 pitch csk screw), grub screw: m-6 x l: 20, m- 10 x l: 25, m-12 x l: 20 ss bolt: 6 nos. each. 8.0 fabrication and supply of manual drive assembly as per drawing and tender specifications
