Ever wondered how baseballs and softballs are made?
Below you will see some exclusive pictures and videos from the factory where our Covee/Diamond balls are made.
It is one of the few factories in the world where top-quality baseballs and softballs are produced.
Wilson, Diamond, Mizuno, and Worth balls are also produced in this factory.
Many of the Wilson & Covee/Diamond balls are exactly the same and have the exact same specifications and materials.
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| 1-1. Leather cutting |
1-2. Leather Skiving to make sure the thickness of all the cut panels are consistent | |
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| 1-3. Cut Panel Inspection & Gading for different grades of balls | 1-4. Taking Weight of Each Pair of cut Panels | 2-1. Cushion Cork Core Winding |
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| 2-2. Wool Yarn Winding |
2-3. Reinforced winding and finishing winding to hold the wound wool yarn cores | 2-4. Taking weight of wound cores to make sure the core weight falls in required range |
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| 2-5. Taking measurement of wound cores to make sure the core weight falls in the required range |
3-1. Gluing cut panels onto wound cores |
3-2. Taking weight of pre-sewn balls to make sure of the ball weight falls In the right weight range |
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3-3. Taking measurement of pre-sewn balls to make sure the ball size falls in the right size range |
4-1. Ball sewing (1) |
4-2. Ball sewing (2) |
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| 5-1. Ball Cleaning after sewing |
5-2. All balls are rolled to make the seams smooth |
5-3. Taking weight of finished balls to make sure of the ball weight falls in standard weight range |
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| 5-4. Taking measurement of finished balls to make sure of the ball falls in standard size range | 5-5. Ironing finished balls to make the surface smooth |
5-6. Inspection on all trimmed balls |
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| 6-1. Final inspection before printing & packing | 6-2. Printing |
6-3. Packing |
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Environmental control cabinet: For humidity and temperature conditioning on cores and balls before COR & Durability tests.
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Computer monitored universal material tester: For measuring compression of balls and cores. Also for tensile tests on threads, cotton yarns, wool yarns and tear tests on cover materials. |
COR and durability testing equipments: For the measurement of COR of balls, cores and to test the durability of balls and cores. |
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Burst testing machine: To test the strength of cover materials and paper packing materials like shipping carton, etc. |
Abrasion test machine: To test the abrasive strength of all kinds of cover materials. |
Drop hammer machine: To test the durability of solid cork cores and PU cores by a dropping hammer of 12 lbs. |
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| Final Result: Covee/Diamond CD-1010NL |
Final Result: Covee/Diamond CD-500FP |
