UNILAP CALCULATIONS

UNI LAP  E 5/3  GEARING  CALCULATION

40 CHR

HANK DELIVERED        =     0.130

LAP WEIGHT IN Gms/metre    =     68

MOTOR SPEED           =    2840 r.pm

MOTOR PULLEY DIA      =    110 mm

MACHINE PULLEY DIA    =    338 mm

MICRO DUST FAN MOTOR SPEED     =          2880

MICRO DUST FAN MOTOR PULLY      =          140

MICRO DUST FAN PULLLY      =          165      

LAP ROLLER CHANGE WHEEL (A)   =    83 T

LAP ROLLER CHANGE WHEEL (B)   =    91 T

CALENDER LAP ROLLER CHANGE WHEEL ( C ) =   57  T

sCALENDER LAP ROLLER CHANGE WHEEL ( D ) =   95 T

DRAFT CHANGE WHEEL (E)     =   40 T

DRAFT CHANGE WHEEL (F)     =   56 T

DRAFT CHANGE WHEEL (G)     =   63 T

DRAFT CHANGE WHEEL (H)     =   61 T

BREAK DRAFT CHANGE WHEEL        (J)  =    46T

BREAK DRAFT CHANGE WHEEL        (K)  =    40T

DRAFT WHEEL (L)    = 25T

DRAFT WHEEL (M)    =            21T

TABLE CALENDER CHANGE GEAR    =          71T

FEED CHANGE GEAR =          61T

DELY CHANGE GEAR =          67T

NO.OF ENDS UP                     =          22

MAIN DRAFT SETTING            =          42mm

DRAFT ROLLER SETTING       =          42/44/46

TENSION %                 =          0.1506

IN FEED ROLLER DIA  =          57 mm

4/4 DRAFTING ARRANGEMENT WITH BOTTOM ROLLER DIA’S OF

d1 = d2 = d3 = d4 =       32 mm

FIRST or  DELIVERY CALENDER ROLLER DIA           =          154.8mm

SECOND CALENDER ROLLER DIA     =          148.2mm

III rd CALENDER ROLLER DIA =          151.8mm

IV th CALENDER ROLLER DIA =          145.2mm

LAP ROLLER DIA                     =          700MM

TABLE CSAL.ROLL DIA            =          70mm

MICRO DUST FAN SPEED      =          2880*140/165

                                                            =          2443.63 R.P.M

LAP ROLL SPEED        =          2840*110/338*54/D*C/92*54/92*92/B*A/83*23/98

                                                =          45.332 R.P.M

SURFACE SPEED OF LAP ROLL         =          LAP.R.S * DIA*3.14/1000

                                                                        =          99.639883 m/min

FIRST CALEDER ROLL SPEED                       =          2840 * 110/338*23/105

                                                                        =          202.4570 R.P.M

SURFACE SPEED OF 1^st CAL.ROLL     =          SPEED*DIA*3.14/1000

                                                                        =          98.4086 m/min

SPEED OF SECOND CAL.ROLL                       =          2840 *110/338* 23/105 * 30/29

                                                                        =          209.4382 R.P.M

SURFACE SPEED OF 2^nd CAL.ROLL    =          SPEED * DIA*3.14/1000

                                                                        =          97.461678 m/min

SPEED OF THIRD CAL.ROLL               =          2840 *110/338* 23/105 * 30/30

                                                                        =          202.4570 R.P.M

SURFACE SPEED OF THIRD CAL.ROLL         =          SPEED * DIA * 3.14

                                                                                    =          96.501532 m/min

 SPEED OF FORTH CAL ROLL SPEED            =          2840 *110/338* 23/105 * 30/29

                                                                                    =    209.4382   R.P.M

SURFACE SPEED OF FORTH CAL ROLL SPEED        =          SPEED * DIA * 3.14/1000

                                                                                                =          95.4887 m/min

SPEED OF TABLE CAL.ROLLER                     

=          2840 *110/338* 31/29 * 28/28 * 31/ T.CAL.C.G * 27/24 * 15/17

=          428.2093 R.P.M

SURFACE SPEED OF T.CAL.ROLL                  =  SPEED * DIA * 3.14

                                                                                    =          94.1204 m/min

SPEED OF DRAW BOX FRONT ROLL  =          924.26035 * 31/29 * 28/28*31/TABLE.CAL   

                                    CHANGE GEAR * DELIVERY CHANGE GEAR/31

                                                                 =     932.3402 R.P.M

SURFACE SPEED OF FRONT ROLL    =          SPEED * DIA * 3.14/1000

                                                                        =          93.6815 m/min

SPEED OF SECOND ROLL      =          FRONT ROLL SPEED*E/F*G/H*K/J*37/24*M/L

                                                            =          774.5134 R.P.M

SURFACE SPEED OF IInd ROLL          =          SPEED * DIA * 3.14/1000

                                                                        =          77.8231 M/ min

SPEED OF THIRD ROLL                      =          924.26035 * 31/29 * 28/28*31/TABLE.CAL   

CHANGE GEAR * DELIVERY CHANGE GEAR/31* E/F*G/H*K/J*37/31

                                                            =          713.8375 R.P.M

SURFACE SPEED OF III rd ROLL         =          SPEED * DIA * 3.14/1000

            =          71.7263 m/min

SPEED of IV th ROLL               =          924.26035 * 31/29 * 28/28*31/TABLE.CAL   

CHANGE GEAR * DELIVERY CHANGE GEAR/31* E/F*G/H

                                                            =          687.7919 R.P.M

SURFACE SPEED OF IV th ROLL        =          SPEED * DIA * 3.14/1000

=          69.1093 m/min

 SPEED            OF INFEED ROLLER   

=          924.26035 * 31/29 * 28/28*31/TABLE.CAL.CHA.WHEEL * DELIVERY CHANGE

GEAR/31* E/F*G/H*18/FEED CHANGE GEAR *36/19

            =          384.54631 R.P.M

SURFACE SPEED OF IN FEED ROLL  =          SPEED *DIA*3.14/1000

                                                                        =          68.82609 m/min

                                                                                                SURFACE SPEED OF IV th CAL.ROLL

DRAFT IN BET.IV th CAL.ROLL &                     =    SURFACE SPEED OF TABLE CAL.ROLL

       TABLE CAL ROLL

                                                95.4887

                                    =          94.1204             =          1.0145377

                                                                                                SURFACE SPEED OF TABLE CAL.ROLL

DRAFT IN BET.TABLE CAL.ROLL &                 =            SURFACE SPEED OF FRONT ROLL

    DRAW BOX FRONT ROLL

                                                94.1204

                                    =          93.6815 =          1.000468

                                                                                       SURFACE SPEED OF IV th CAL.ROLL

DRAFT IN BET.IV th CAL.ROLL &                     =          SURFACE SPEED OF FRONT ROLL

 DRAW BOX FRONT ROLL

                                                95.4887

                                    =          93.6815=           1.0192908

                                                                                    SURFACE SPEED OF FRONT ROLL

DRAFT IN BET.FRONT ROLL &            =          SURFACE SPEED OF IInd roll

  SECOND ROLL                                                          93.6815

                                                                        =          77.8231=           1.2037

                                                                                    SURFACE SPEED OF IInd roll

DRAFT IN BET.second. ROLL &            =          SURFACE SPEED OF III rd roll

  third roll

                                                77.8231

                                    =          71.7263=           1.0850009

                                                                                    SURFACE SPEED OF III rd roll

DRAFT IN BET.III rd ROLL &    =    SURFACE SPEED OF IV th roll

 IV th roll                       71.7263

                                    =          69.1093=           1.0378675

                                                                        SURFACE SPEED OF IV th roll

DRAFT IN BET.Iv th ROLL &     =          SURFACE SPEED OF INFEED roll

 INFEED ROLL                                     69.1093

                                                            =          68.82609=         1.0041148

TOTAL DRAFT IN DRAW BOX=            MAIN DRAFT X INTERMEDIATE DRFT X BREAK DRAFT

                                                   =       1.2037 X 1.0850009 X 1.0378675

                                                   =    1.355471

                                                FEED SLIVER WEIGHT IN gms/m    x  no.of doublings

TOTAL DRAFT   =        DELIVERED SLIVER EWIGHT IN gm/m

                                                4.5426679         x 22  =        68

                                    =          1.4696858

                                                            ACTUAL LAP SHEET WEIGHTX PERSENTY TOTAL DRAFT

 TARGET TOTAL DRAFT  =                 NOMINAL LAP SHEET WEIGHT

PRODUCTION PER SHIFT/ MACHINE

=          DELVERY SPEED/.9144*1/840*1/DEL.COUNT*1/ 2.204*8*60

=          98.4086/0.9144*1/840*1/0.0086844*1/2.204*8*60

=          3213.9728 KGs/shift/100 effy