Operation Bulletin of Frock

A Frock is an easy style to produce in the sewing line. It is a knitted item. Here we can learn the operation bulletin of the Frock with SMV and Machine names. 

Operation Bulletin of Frock is done by the following table. In this operation bulletin process list, estimated time, machine name, hourly production target quantity at 100% and 75% efficiency are shown. The estimated time (SMV) shown in the below table will vary according to the product method followed and machine and equipment used in actual production. So please be careful while you use the above estimated time against each operation

Operation Bulletin of Frock

SL.	Operation	Type of Machine	SMV	Target 100%	Target 75%
1	Front Top Bottom Join	4T O/L	0.30	200	150
2	Front Neck Edge Overlock	4T O/L	0.25	240	180
3	Neck Rolling	SNLS	0.25	240	180
4	Front Yoke Join	4T O/L	0.25	240	180
5	Front Yoke Top Stitch	SNLS	0.30	200	150
6	Care Label Attach	SNLS	0.25	240	180
7	Back Top Bottom Join	4T O/L	0.30	200	150
8	Back & Front Number Match	Manual	0.25	240	180
9	Shoulder Join	4T O/L	0.25	240	180
10	Sleeve Number Match	Manual	0.25	240	180
11	Sleeve Attach	4T O/L	0.45	133	100
12	Side Seam Join	4T O/L	0.70	86	64
13	Cuff Rib Tack	SNLS	0.25	240	180
14	Cuff Rib Edge Sewing	SNLS	0.30	200	150
15	Cuff Rib Number Match	Manual	0.25	240	180
16	Cuff Rib Tack at Body	SNLS	0.25	240	180
17	Cuff Rib Attach	4T O/L	0.45	133	100
18	Neck Rib Sewing	SNLS	0.35	171	129
19	Neck Rib Tack	SNLS	0.20	300	225
20	Neck Marking & Rib Number Match	Manual	0.30	200	150
21	Neck Rib Attach	4T O/L	0.35	171	129
22	Bow Marking	Manual	0.25	240	180
23	Bow Sewing	SNLS	0.25	240	180
24	Bow Turn & Closing	SNLS	0.20	300	225
25	Bow Tack at Body	SNLS	0.25	240	180
26	Neck Band Sewing & Turn	SNLS	0.25	240	180
27	Neck Band Attach & Setting	SNLS	0.30	200	150
28	Neck Band Tack	SNLS	0.25	240	180
29	Bottom Rolling	DNLS	0.60	100	75
30	Bottom Raw edge Cut	Manual	0.25	240	180
31	Main Label Tack &  Attach	SNLS	0.30	200	150
32	Final Trimming	Manual	0.50	120	90
	Total		9.90

Full form of Machine Name:

In the above table a short name of sewing machines is written. Followings are the abbreviation of those short machine codes. 

SNLS - Single needle lock stitch

DNLS - Double needle lock stitch

3T O/L - 3 Thread over lock

4T O/L - 4 Thread over lock

Manual - Helper

To set the line layout target:

It will be best to set the line layout target base on line efficiency, line cost and delivery date of style.

Formula to set the 100% target:
Daily Target = (Worker x Working hour x 60/ SMV) x efficiency %
Basic Pitch Time (BPT) =Total SMV / Total Manpower.

We can use “Ball Point or Sharp Point" needle to stitch this item.

Fabric Types and Needle Size Chart:

Fabric Types	Needle Size
Very fine fabrics (silk, chiffon, organza, voile, lace)	8, 9, 10
Light weight fabrics (cotton, heavier silks, synthetics, spandex, lycra)	11, 12

Operation Bulletin makes our work easy to set up a production line in the apparel industry. We can easily manage machine and operator requirements for any sewing line by this. But it is necessary to do an operation breakdown to prepare a machine layout and line balancing by industrial engineering (IE). 

Visit here to know what operation breakdown is. You can visit my post to learn more about the bulletin or breakdown of garments in the garment industry.

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