AUTOMATIC COMPONENT INSERTION

1.SPOT MASK (Robot)

Preparation time per batch                		0.15 hours
     	Load/unload                               		0.75 mins
Time per dot                              		0.02 mins
Load masked PCB to magazine            	0.16 mins

2(A) MULTI-MOD DIP/SOCKET INSERTION
(0.3" wide body from 6-24 legs)
(0.6" wide body from 22-42 legs)

     	Preparation time per batch               		0.15 hours PLUS
     	0.05 hours per component type loading
Load/unload per PCB (using pass-thru')    	0.1 mins
     	Load/unload per PCB (not using  "  " )    	0.75 mins
     	Insertion time per DIP/socket             	0.02 mins

 (B)DIP INSERTION
     (0.3" wide body from 12-20 legs)

     	Preparation time per batch                		0.15 hours
     	Load/unload per PCB                       		0.75 mins
     	Insertion time per DIP                    		0.075 mins

3.   COMPONENT SEQUENCING FOR VCD MACHINE

Preparation time per batch                		0.15 hours PLUS
     	0.05 hours per component type not in
     	core range (copy of master core in
     	P.E. Dept)
     	Time per component                        		0.003 mins

4.AXIAL LEAD COMPONENT INSERTION (VCD)

     	Preparation time per batch                		0.15 hours
     	Load/unload per PCB                       		0.75 mins
     	Insertion time per component              	0.003 mins

5.RADIAL LEAD COMPONENT INSERTION
(0.2" wide)

Preparation time per batch                		0.15 hours PLUS
     	0.05 hours per component reel loading
     	Load/unload per PCB                       		0.75 mins
     	Insertion time per component              	0.02 mins

1.DIP INSERTION
(0.3" wide body up to 20 legs)

Preparation per batch                     		0.15 hours
     	Load and unload per PCB                  		0.75 mins
     	Insertion time per DIP                    		0.075 mins

2.   COMPONENT SEQUENCING FOR VCD MACHINE

     	Preparation per batch                     		0.15 hours PLUS
     	0.05 hours per component type
     	not in standard range
     	Time per piece                            		0.003 mins

3.   AXIAL LEAD COMPONENT INSERTION (VCD)

     	Preparation time per batch                		0.15 hours
     	Load and unload per PCB                   	0.75 mins
     	Insertion time per component              	0.005 mins

4.   AUTOMATIC TERMINAL INSERTION
     	(0.025" or 0.045" sq.)

    	Preparation time per batch                		0.15 hours
     	Load and unload per PCB                   	0.75 mins
     	Insertion time per terminal               		0.01 mins

6.   AUTOMATIC TERMINAL INSERTION
     	(0.025" or 0.045" sq.)

     	Preparation time per batch                		0.15 hours
     	Load/unload per PCB                       		0.75 mins
     	Insertion time per terminal               		0.01 mins

7.   SMT AUTOMATIC COMPONENT ONSERTION

          	SCREEN PRINTING

          	Preparation time per batch           		0.25 hours
          	Load/unload per PCB                  		0.75 mins
          	Operation & iNSPECTION  			2.00 mins

          	CHIP PLACEMENT

          	Preparation time per batch           		0.25 hours PLUS
          	0.05 hours per component type loading
          	Load/unload per PCB                  		0.75 mins
          	Placement time per component         		0.025 mins

	REFLOW UNIT

          	Preparation time per batch           		0.25 hours
          	Reflow                               			2.00 mins

          	CLEANING OPERATION

          	Preparation time per batch           		0.25 hours
          	Cleaning                             			3.00 mins

SMT TIME STANDARDS FOR MANUAL ASSEMBLY

	SCREEN PRINTING

     	Preparation                               		0.25 hours
     	Operation                                 		2.00 mins
     	Load/unload                               		0.75 mins

	CHIP PLACEMENT

     	Preparation                               		0.25 hours
            + 0.05 hour/ component type

     	Placement time/component                  	0.125 mins
	(400 comps/hour)

     	Load/unload PCB                           		0.75 mins

	REFLOW UNIT

     	Preparation                               		0.25 hours

     	Reflow                                    			2.00 mins

PRINTED BOARD ASSEMBLY PRIOR TO FLOWSOLDERING

1.   PREPARATION

     	Standard time per operation               		0.15 hours

2.PLUG IN COMPONENTS

Axial or radial preformed                 		0.10 mins
     	Inductors, transformers, sockets,
     	wirewound resistors, arrestors etc.       	0.15 mins

3.   TRANSISTORS

     	Clip in preformed                         		0.15 mins
     	Loose assembly on pad                     		0.90 mins
     	Assembled in heatsink 			0.75 mins
     	TO3 type sub assembled to heat sink                0.50 mins
     	Push on heatsink                          		0.25 mins

4.   TO5 STYLE INTEGRATED CIRCUITS

     	Assemble 6 lead with spreader pad         	1.20 mins
     	Assemble 8 or 10 lead preformed           	0.15 mins
     	Assemble 12 lead with spreader pad        	2.40 mins

5.   DUAL IN LINES

     	Assemble 14-40 lead DIP                   	0.25 mins
            14 lead +0.01 per additional lead
     	DIP socket                                		as above

6.   SINGLE IN LINE
     (resistor networks etc.)                  			0.15 mins)

7.   2 LEADED COMPONENT

     Assemble, bend over and cut off lead      		0.40 mins

8.   CUT-N-FLATTEN PRE-CUT WIRE TO PCB    0.20 mins

9.   TOP HAT DIODES

     Assemble preformed                        		0.15 mins

     Assemble unformed diode with insulating
     washer                                    			0.5 mins

10.  FIT SLEEVE (general)                      		0.15 mins

11.  FIT AND SOLDER COMPONENT TO TERMINALS     1.20 mins

12.  RELAYS OR SWITCHES

     Fit and bend 2 leads                      			0.30 mins

13.  FIT BTCW LINKS OR HANDBAGS                  0.10 mins

14.  FIT INSULATING LEADS                     	0.10 mins/lead

15.  FIT AND SOLDER FLYING LEADS               0.50 mins/lead

16.  PLUG IN FUSE HOLDERS                      	0.15 mins

17.  TACK SOLDER                               		0.10 mins/joint

18.  FIT SCREW, NUT & WASHER OR P.K.           0.50 mins

PRINTED BOARD ASSEMBLY AFTER TO FLOWSOLDER

1.   PREPARATION

     Standard time per operation               		0.15 hours

2.   FIT SCREW, NUT AND WASHER OR P.K.      0.50 mins

3.   FIT TY-RAPS                               		0.50 mins

4.   SOLDER FLYING LEAD ENDS 
      (PRE-STRIPPED)    				0.50 mins/end

5.   WIRE IN 'U' LINKS                         		0.30 mins/end

6.   SOLDER BTCW LINKS OR COMPONENTS
     ACROSS TERMINALS                          		1.20 mins

7.   FIT AND SOLDER PRE-CUT SOLID LEAD      1.60 mins/lead

8.   FIT AND SOLDER PRE-CUT STRANDED        2.25 mins/lead

9.   FIT, CROP AND SOLDER COMPONENT        0.50 mins per 2
      lead component + 0.05 mins per extra lead

10.  HAND SOLDER JOINT                         	0.10 mins/joint

11.  CLEAN OFF FLUX                            		1.50-3.00 mins 
        at engineering discretion

12.  TOUCH-UP SOLDER JOINTS AFTER              0.50-2.00 mins 
        at FLOW SOLDERING P.E. discretion

LEAD CUTTING. PREPARATION AND CABLE FORMS ETC.

1.   LEAD CUTTING

     Operation:

     a)Cut to length and strip ends of solid or flexi-wire on Komax

     b)Cut to length sleeving on Komax

     Preparation:

     Standard time per operation               		5 mins

     Plus:     	change stripping dimensions     	2.75 mins
               	prepare and label container
               	or bag                          		2.50 mins
               	change reel and re-thread
               	per 500 metre reel              		2.75 mins

     Note:     	Production engineers to allow
               	all above or part as appropriate,
               	depending all batch make-up

     Time per piece (wire or sleeving):

       0 -  150mm long                         	0.014 mins
     150 -  300mm long                         0.019 mins
     300 -  450mm long                         0.025 mins
     450 -  600mm long                         0.033 mins
     600 -  750mm long                         0.044 mins
     750 -  900mm long                         0.059 mins
*   900 - 1050mm long                        0.079 mins

2.   TWISTED PAIRS

Preparation (inclusive of setting cutter, cable length, selecting and adjusting platens or locator plates):

     Standard time per cable                   0.3 hours

     Time per piece:

     Measure and cut cable to length:

            0 - 100mm                          		0.15 mins
          100 - 200mm                          		0.20 mins
          200 - 300mm                          		0.25 mins
          300mm & over                           	0.30 mins

	Stick cable to top half of connector       	0.35 mins/end
     	Locate bottom half and press home       	0.30 mins/end
     	Bend cable and fit strain relief          		0.50 mins/end
     	Check dimension and bend cable to 90o     	0.50 mins

FLOW SOLDER

1.   Standard time3.00 mins per board + 0.15 hours preparation per batch

PCB PREPARATION/PROCESS OPERATIONS

1.   PREPARATION

     Standard time per operation               	0.15 hours

2.   MASK EDGE CONNECTOR AND EARTH PLANE
     (tape)                                    		2.50 mins

3.   SPOT MASK (dispenser)                     	0.03 mins/dot

4.   RIVET BERG GRIPLETS                          0.05 mins

5.   RIVET TUBULAR STOCKO'S                0.15 mins

6.   RIVET FLAT STOCKO'S 
	and other miscellaneous terminals 
	and bushes including mini-wraps           0.25 mins

7.   GKN CONTACT NUTS                          0.20 mins

8.   SEPARATE PCB'S FROM MULTI          0.25/bite

9.   BIFF AND TUB RIVETTING0.
	40 mins handling + 0.06 mins per rivet

10.  REMOVE MASKING TAPE                  0.20 mins

COMPONENT PREFORMING

1.   PREPARATION

     Standard time allowed per machine set-up
     (note NOT per component on operation)     	0.15 hours

2.   AXIAL LEAD COMPONENTS

     Weresch WA74 goal post or stand-up
     including clip in form

          Supplied on bandolier                		0.01 mins
          Supplied loose                       			0.03 mins

3.   RADIAL LEAD COMPONENTS

     Weresch LBM80 clip in or polarisation
     preforms

          Supplied on bandolier                		0.01 mins
          Supplied loose (tower blocks etc.) 		0.10 mins

4.   TRANSISTORS

     Preformed Weresch TM76                    		0.03 mins

5.   TOP HAT DIODES

     Goal post, joggled or on end              		0.03 mins

6.   TO5 8 LEAD I/C                            		0.80 mins

7.   TO5 10 LEAD I/C                           		1.00 mins

8.   MAKE BTCW LINK FROM BANDOLIER         0.01 mins

9.   PRE FORM ARRESTORS, WIRE-WOUND
     RESISTORS ETC. ON ELITE                   	0.10 mins

10.  REDUCE LENGTH OF COMPONENT 
        LEADS TO 1/2" FOR SOLDER CUT SOLDER0.10 mins

11.  STRIP INSULATION FROM LEADS
     (EG PO no. 4 resistors)                   		0.30 mins

REPAIRS AND MODIFICATIONS

1.   PREPARATION

     Standard time per operation
     (see note)

2.   REMOVE 2 LEGGED COMPONENTS                		1.10 mins

3.   REMOVE AND REPLACE 2 LEGGED COMPONENTS    	1.70 mins

4.   REMOVE TRANSISTOR MOUNTED ON PAD          	1.05 mins

5.   REMOVE AND REPLACE TRANSISTOR
      MOUNTED ON PAD                            				2.25 mins

6.   REMOVE INTEGRATED CIRCUIT                 		1.70 mins

7.   REMOVE AND REPLACE INTEGRATED CIRCUIT     	4.15 mins

8.   REMOVE TRANSFORMER
      (track soldered only)                     				0.75 mins

9.   REMOVE TRANSFORMER
      (flowsoldered 4 pin)                      				1.50 mins

10.  REMOVE TRANSFORMER
       (flowsoldered 6 pin)                      				2.25 mins

11.  OPEN OUT HOLE                             				0.10 mins

12.  CUT AND REMOVE TRACK                      			0.50 mins

13.  REMOVING MECHANICAL ITEMS
     
       Use 50% assembly time                    

14.  DISCONNECT CABLEFORM LEAD                 		1.00 mins

15.  MARK OUT AND DRILL HOLE                   			6.00 mins

16.  FIT INSULATED WIRE LINK TO PINS           		1.50 mins

17.  REMOVE FIXING (nut, screw & washer)       			0.25 mins

18.  ERASE EDITION NO. AND REMARK              		0.90 mins

19.  SIGN WRITE CHARACTERS0.10 mins per character

NOTE: For difficult modifications involving a number of tasks, preparation time should be increased accordingly.

WIRE WRAPPING

1.   PREPARATION

     Standard time per operation               		0.15 hours

2.   OPERATION

     Mechanical:

          Shelf handling
          (remove and replace in box)          		1.15 mins

          Assembly metal label with
          2 off P.K.s                          			0.50 mins

          Mask two edges of front panel
          and open location holes              		0.70 mins

          Assemble socket and secure
          2 off bushes (air driver)            			0.70 mins

          Place 2 off screws in bag, label
          and tie to shelf                     			0.40 mins

          Remove latch plate and place in box  		0.30 mins

          Wrap and tie bracket slides to unit  		1.50 mins

          Pack parts associated with shelf     		5.00 mins

          Make, fit and solder BTCW bus bar    		1.00 mins

          Assemble back plane connectors
          (TEP-IE)                             			0.25 mins

     Electrical:

          Shelf handling                       			1.15 mins

          Select and wire-wrap lead,
          pin to pin (no bending)              		0.35 mins

          Select and wire-wrap lead,
          pin to pin (2 bends)                 			0.55 mins

          Select and wire-wrap lead,
          1 end only (leave flying)            		0.30 mins

          Cleat fly lead through earth tag
          (1 or 2 per earth tag)0.25 mins per lead

          Solder earth leads (one end)
          (1/0.6)                              			0.50 mins
Cleat and solder lead to earth tag,
          leave flying (30/0.025)              		0.60 mins

AUTOMATIC

LOAD AND UNLOAD TO GARDENER DENVER 1.00 mins

AUTO WIRE-WRAP PER LEAD                        	0.10 mins

NOTE:For other mechanical and hand wiring operation reference should be made to other relevant sections

WIRING

1.   TIN EARTH LUG ON CARD FRAME               	0.50 mins

2.   CONNECT AND SOLDER PRE-CUT LEAD           	1.00 mins

3.   MAKE, FIT AND SOLDER BTC WIRE LINKS       	0.50 mins

4.   FIT PRE-CUT SLEEVE                        			0.15 mins

5.   SLEEVE OVER PLUS OR SOCKET
     CONNECTION (including inspection)         		0.50 mins

6.   SELECT CONNECT AND SOLDER CABLEFORM END   0.50 mins

7.   LAY CABLEFORM INTO POSITION
     (modules only)                            				0.50 mins

8.   HAND SOLDER FLEXIBLE PCB0.20 mins per joint

9.   DRY FLEXIBLE CIRCUIT IN OVEN              		1.00 mins

10.  FIT AND SOLDER COMPONENTS                 	1.40 mins

11.  FEED LEAD THROUGH GROMMET                 	0.25 mins

12.  CONNECT AND SOLDER COAX LEAD
     PER JOINT
     (connector or tail)                       				0.90 mins

UNIT/MODULE ASSEMBLY

1.   PREPARATION

     Module and small units                    			0.15 hours

     Units and case assemblies0.5-1.0 hours depending upon complexity

2.   OPERATION

     Mechanical:

          General handling time per unit
          (in/out box etc.)                    				1.00 mins

          Nut, screw and washer                			0.70 mins

          Stiff nut, screw and washer          			0.95 mins

          Nut and washer/screw and washer/
          P.K. self tapping screw              			0.50 mins

          Slacken off nut or screw and
          re-tighten                           				0.25 mins

          Circlip                              				0.30 mins

          Tape handle (and other parts)0.50 mins (pro rata for other parts

          Toggle switch and fuseholder
          etc. (own fixings)                   				0.95 mins

          Plug in 'U' link or test socket etc. 			0.25 mins

          Unscrew fuse cap, fit fuse and
          replace cap                          				0.50 mins

          Screw in lamp or lens                			0.25 mins

          Fit grommet                          				0.25 mins

          Place parts in bag and attach
          to unit                              				0.95 mins

          Additional items to that fitted
          e.g. spacer, solder tag              				0.15 mins

          Heat shrink sleeving                 				0.50 mins

          Cable tie using nylon cord and
          varnish                              				0.50 mins

          Cleat or clip including fixings      			1.10 mins

          Fit TY-RAP                           				0.25 mins

          Fit feed thru' terminal              				0.25 mins

LABEL PRODUCTION, DATE CODING ETC.

1.   HOT FOIL LABEL PRODUCTION

     Time allowed to set machine for each
     label identity:

          without self indexing serial no.     			0.50 hours
          with self indexing serial no.        			0.60 hours

     Set time for label production using the
     Milford Astor hot foil printing machine   			0.015 mins

     Material handling time for large
     quantities of identical levels
     Set time per 1000                         				0.15 hours

     Example:

     A batch ticket requires:

          2000 x ref. 27 labels
          4000 x ref. 36 labels
          1600 x ref. 21 labels

     Set up time    - 3 x 0.50 (no serial no.) 1.50 hours

     Production time- 7600 x 0.015 = 114 mins  		1.90 hours

     Material handling -
                    - ref. 27 2 x 0.15 = 0.30
                    - ref. 36 4 x 0.15 = 0.60
                    - ref. 21 1 x 0.15 = 0.15
                                               					1.05 hours

     Total time allowed                        				4.45 hours

2.   LETRASET AND HAND MARKING

     Preparation: standard time per operation  			0.15 hours

     Letraset or hand mark issue nos. EDN nos.
     etc. + seal with spray or varnish

     1.00 min for 1st character +
      0.50 min per additional charter

4.   MULTICORE SCREENED AND COAXIAL CABLES

     Preparation -Standard time per operation  0.25 hours

     Cut leads to length:

             0 -  900mm                        				0.15 mins
           900 - 2000mm                        				0.30 mins
          2000 - 5000mm                        				1.20 mins
          5000mm & above                       			1.50 mins

     Remove outer PVC                          			0.25 mins

     Cut back screen                           				0.25 mins

     Form tail                                 				0.40 mins

     Crimp Termashield with fly lead           			1.90 mins

     Make flex or solid lead                   			1.00 mins

     Make and fit inner conductor
     and fit sleeve                            				2.60 mins

     Tease out or cut back screen              			0.90 mins

     Comb out screen, F/S fly lead             			2.40 mins

     Solder leads to connectors                			3.60 mins
               + 0.7 mins per terminal

     Twist and tin cable ends                  			0.10 mins

5.   CABLEFORMS

     Preparation:

          Small cableforms (under 10 leads)    			0.25 hours

          Cable and lead assemblies           			0.50 hours

          Cableforms 1/2 - 1 hours TPP         			0.50 hours

          Cableforms over 1 hour TPP           			1.00 hours

     Operation:

          Lay in lead                          				0.50 mins

          Fit marker sleeve or flag            			0.25 mins

          Fit cable binding sleeve             			0.50 mins

          Lace leads                           				0.40 mins per in.

          Cut and strip end (incl. tails)      			0.10 mins

          Twist and tin ends                   				0.10 mins

          All crimps                           				0.50 mins

          Insert crimp into connector          			0.30 mins

          F + S lead to pin on plug/SKT        			0.75 mins

          Cable tie or TYRAP                   			0.50 mins

          Heat shrink sleeve                   				0.50 mins