Roll Number
A roll number is a number assigned to identify each individual roll of fabric, and it is used for history management and quality checks during inspection, shipping, and cutting.
Contents5 sections
Definition and Overview
A roll number is an identification number assigned to each roll. It is written on the hanging tag attached to the end of the roll, inspection slips, product labels, and similar items, and is used to identify which roll is being handled. It is important when the fabric product number and color number alone cannot distinguish each roll of the same item.
The number of digits, whether it is numeric only or includes alphanumeric characters, and the numbering method vary depending on the supplier and management system. Since the number itself does not always reveal the production date or quality grade, do not guess its meaning; treat the listed number as identifying information.
When It Is Used in Transactions and Production
When receiving fabric, match the order details with the roll number, quantity, measured length, color number, lot, and other information. Recording the location and details of stains, weaving flaws, dyeing unevenness, and similar defects found during inspection together with the roll number makes it easier to identify the target when cutting or contacting the supplier.
During cutting, keep the roll number used in the cutting record or spreading sheet. If defects or color differences are found in the finished product, it becomes easier to trace the roll used. When cutting across multiple rolls, it is effective to manage the usage quantity separately for each roll number.
- Matching the roll number on the receiving slip with the product label
- Recording inspection results and defect locations by roll number
- Managing spreading order and cutting input quantity by roll number
- Identifying the relevant roll for returns, exchanges, and quality inquiries
Key Points to Check and How to Handle Numbers
When checking a roll number, confirm not only the number itself but also whether the fabric product number, color number, lot, roll length, and inspection information correspond on the same label or record. Since multiple roll numbers can exist for fabric with the same product number and color, it is important not to treat the roll number alone as the identifier for the order details.
There is no common standard for the number of digits in the notation. Omitting leading zeros, symbols, or the presence or absence of letters may lead to confusion with another roll. In verbal communication, repeat the number back and share the roll number exactly as displayed, along with a photo or label image, to make confirmation easier.
Differences from Similar Terms
A roll refers to the roll unit of fabric itself. In contrast, a roll number is the number used to distinguish one roll from another. Roll is a general term for a rolled length of fabric, while roll number is used as a management number assigned to each roll, including rolls of fabric.
A lot is a number or category indicating a group of fabric produced or managed under the same conditions. A roll number, on the other hand, is an identification number for each individual roll. It is common for a single lot to contain multiple roll numbers, and when checking color differences, both the lot and the roll number are recorded.
Frequently Asked Questions
Are roll numbers and lot numbers the same?
No, they are not the same. A roll number identifies each individual roll, while a lot number indicates a group in production or management. Even fabric in the same lot may have different roll numbers for each roll. For receiving, inspection, and cutting records, listing both makes tracing easier.
Can a roll number be specified when ordering?
For in-stock fabric, whether a specific roll number can be specified depends on the supplier's inventory management and shipping conditions. It is usually not possible to request the same roll number as a roll that is already in use. If color difference or quality confirmation is needed, provide the desired lot, required quantity, and intended use for confirmation.
Can the leading zero in a roll number be omitted?
It is safer not to omit it. Roll numbers do not have a unified standard for digit count or notation, and leading zeros, symbols, and letters may also be part of the identification. In slips, inspection records, and cutting records, copy the notation exactly as written on the product label.
