Table 1.
Introduction to looping models
| Machine type | Guide bar arrangement | Needle bed used with jacquard bars |
|---|---|---|
| RSJ4 /1 | JB1.1, JB1.2, GB2, GB3, GB4 | Single needle bar |
| RSJ5 /1(EL) | JB1.1, JB1.2, GB2, GB3, GB4, GB5 | Single needle bar |
| RDPJ5 /1(EL) | GB1, GB2, GB3, JB4, GB5 | Single needle bar |
| RDPJ6 /1(EL) | GB1, GB2, GB3, JB4.1, JB4.2, GB5, GB6 | Front and back needle bar |
| RDPJ7 /1(EL) | GB1, GB2, GB3, GB4, JB5.5, JB5.2, GB6, GB7 | Front and back needle bar |
| RDPJ4 /2(EL) | GB1, JB2.1, JB2.2, JB3.1, JB3.2, GB4 | Front and back needle bar |
| RDPJ6 /2(EL) | GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5, GB6 | Front and back needle bar |
Fig. 1.
Guide bar arrangement of RDPJ6/2
Table 2.
Offset jacquard information
| Jacquard colors | Lapping data | Jacquard effect | Control data |
|---|---|---|---|
| 4# | 1-0/1-2// | Thin stich | HHHH |
| 10# | 1-0/2-2// | Sigle-needle loop + miss-lapping | HHTH |
| 16# | 1-0/1-3// | Sigle-needle loop + double loop | HHHT |
| 1# | 1-0/2-3// | Thick stitch | HHTT |
| 6# | 2-0/1-2// | Double loop + single-needle loop | THHH |
| 5# | 2-0/2-2// | Sigle-needle loop+ miss-lapping | THTH |
| 25# | 2-0/1-3// | Double loop | THHT |
| 15# | 2-0/2-3// | Double loop + single-needle loop | THTT |
| 23# | 1-1/1-2// | Miss-lapping + single-needle loop | HTHH |
| 2# | 1-1/2-2// | Inlay stitch | HTTH |
| 11# | 1-1/1-3// | Miss-lapping + double-needle loop | HTHT |
| 33# | 1-1/2-3// | Miss-lapping + single-needle loop | HTTT |
| 12# | 2-1/1-2// | Pillar stitch | TTHH |
| 7# | 2-1/2-2// | Sigle-needle + miss-lapping | TTTH |
| 41# | 2-1/1-3// | Sigle-needle + double loop | TTHT |
| 8# | 2-1/2-3// | Thin stich | TTTT |
Fig. 2.
Offset information of double jacquard fabric
Fig. 3.
Double jacquard spacer fabric: (a) jacquard sesame texture fabric, (b) jacquard spacer fabric, (c) pure color jacquard fabric, (d) finished shoes
Table 3.
Common offset information of jacquard sesame texture
| Linking effects | Lapping data | Control data of front jacquard bar |
|---|---|---|
| Mesh linking stitch | 1-1-1-2/1-2-1-1// | HTHT/HHHH |
| Thin linking stitch | 1-0-1-2/1-2-1-1// | HHHT/HHHH |
| Thick linking stitch | 1-0-1-2/2-3-1-1// | HHHT/TTHH |
Table 4.
Common jacquard stitch
| Jacquard effects of front jacquard bar | Lapping data | Control data of front jacquard bar |
|---|---|---|
| linking front and back layer | 1-1-1-2/1-2-1-1// | HTHT/HHHH |
| linking front and back layer | 1-1-1-1/1-2-1-2// | HTHH/HHHT |
| Non-jacquard on back needle bar | 2-1-1-1/1-2-1-1// | TTHH/HHHH |
| Jacquard on back needle bar | 2-1-2-1/1-2-2-2// | TTTH/THTT |
| Jacquard on back needle bar | 1-1-2-1/2-2-1-2// | HTTH/THHT |
Table 5.
Common offset information of pure color jacquard
| Jacquard effect on the back needle bar | Lapping data | Control data of front jacquard bar |
|---|---|---|
| Mesh linking stitch | 1-1-2-1/2-2-1-2// | HTTT/THHH |
| Thin linking stitch | 1-1-1-0/2-2-1-2// | HTHH/THHH |
| Thick linking stitch | 1-1-1-0/2-2-2-3// | HTHH/THTT |
Fig. 4.
(a) Large mesh stitch, (b) small mesh stitch, (c) thin stitch, (d) thick stitch, (e) different areas of shoe vamp
Fig. 5.
Single jacquard shoe vamp fabric designed: (a) jacquard graph, (b) simulation diagram, (c) practical diagram
Table 6.
Knitting process parameters of RSJ5/1 machine
| Guide bar | Lapping data | Threading | Raw material | Warp run-in/(mm/rack) |
|---|---|---|---|---|
| GB1 | 1-0/1-0// | All in | 111.0 dtex/72 f polyester FDY | 1400 |
| JB2.1 | 1-0/1-2// | All in | 166.7 dtex/72 f polyester DTY | 1950 |
| JB2.2 | 1-0/1-2// | All in | 166.7 dtex/72 f cationic polyester DTY | 1950 |
| GB3 | 1-0/0-1// | All in | 111.0 dtex/72 f polyester FDY | 1400 |
| GB4 | 0-0/1-1// | All in | 83.3 dtex/36 f polyester FDY | 600 |
Fig. 6.
Jacquard graph of warp-knitted double jacquard shoe vamp fabric:(a) jacquard graph, (b) partially enlarged graph, (c) partially enlarged graph after inward indentation
Table 7.
Knitting process parameters of RDPJ6/2 machine
| Guide bar | Lapping data | Threading | Raw material | Warp run-in/(mm/rack) |
|---|---|---|---|---|
| GB1 | 1-2-1-1/1-0-1-1// | All in | 111.0 dtex/48 f polyester FDY | 2250 |
| GB2 | 2-1-2-3/1-2-1-0// | All in | 33.3dtex polyester monofilament | 8000 |
| JB3.1 | 1-0-1-0/1-2-1-2// | All in | 166.7 dtex/72 f cationic polyester mixed DTY | 3550 |
| JB3.2 | 1-0-1-0/1-2-1-2// | All in | 166.7 dtex/72 f cationic polyester mixed DTY | 3550 |
| JB4.1 | 1-0-1-0/1-2-1-2// | All in | 166.7 dtex/72 f dark polyester DTY | 3550 |
| JB4.2 | 1-0-1-0/1-2-1-2// | All in | 166.7 dtex/72 f dark polyester DTY | 3550 |
| GB5 | (1-1-1-0/1-1-1-2/)*2/ | 1A1* | 111.0 dtex/36 f polyester FDY | 1950 |
| GB6 | (1-1-2-3/1-1-2-1/)*2// | 1*1A | 111.0 dtex/36 f polyester FDY | 1950 |
