Braiding path generating method and device using the same, and dynamic correcting method and braiding system using the same

Patent metadata

Field	Value
Publication number	US-11560657-B2
Application number	US-202117316995-A
Country	US
Kind code	B2
Filing date	May 11, 2021
Priority date	Dec 2, 2020
Publication date	Jan 24, 2023
Grant date	Jan 24, 2023

Abstract

A braiding path generating method includes the following steps. Firstly, a mandrel model is received. Then, an outer diameter of the mandrel model is obtained. Then, a target braiding angle is obtained according to a target coverage rate and the outer diameter of the mandrel model. Then, a braiding simulation path is generated according to the target braiding angle.

First claim

What is claimed is:

1. A braiding path generating method, comprising:
receiving a mandrel model:
obtaining an outer diameter information of the mandrel model;
obtaining a target braiding angle according to a target coverage rate and the outer diameter information of the mandrel model; and
generating a braiding simulation path according the target braiding angle.

2. The braiding path generating method according to claim 1 , wherein in step of obtaining the target braiding angle, the target braiding angle is obtained according to following formula:

α
⁡
(
s
)

=

cos

-
1

(

N
·
d
·
C

2
⁢

π
⁡
(

D
⁡
(
s
)

+

2
⁢
d

)

⁢

(

1
-

(

1
-
K

)

)

)

;

wherein N is the number of a plurality of strands of a wire material, d is diameter of each of the strands, and C is the number of a plurality of spindles of the braiding system, each spindle is wound with one of the wire materials, α(s) is a target braiding angle, K is a target coverage rate, D(s) is the outer diameter information of the mandrel varying with s, and s is an extension direction of the mandrel.

3. The braiding path generating method according to claim 1 , wherein the mandrel has variable cross-section.

4. A dynamic correcting method, comprising:
driving a mandrel to move with a first operating parameter;
driving a plurality of wire materials to be braided on the mandrel with a second operating parameter;
obtaining an actual coverage rate of the wire materials braided on the mandrel;
determining whether the actual coverage rate meets a target coverage rate;
when the actual coverage rate does not meet the target coverage rate, obtaining an actual braiding angle of the wire materials according to the actual coverage rate;
obtaining an adjusted first operating parameter and an adjusted second operating parameter according to the actual braiding angle;
driving the mandrel to move with the adjusted first operating parameter; and
driving the wire materials to be braided on the mandrel with the adjusted second operating parameter.

5. The dynamic correcting method according to claim 4 , wherein the mandrel has variable cross-section.

6. The dynamic correcting method according to claim 4 , further comprises:
capturing a braiding image of the wire materials braided on the mandrel;
wherein the step of obtaining the actual coverage rate of the wire materials braided on the mandrel comprises: obtaining the actual coverage rate by analyzing the braiding image.

7. A braiding path generating device, comprising:
a mandrel model receiver configured to:
receive a mandrel model;
a path generator configured to:
obtain an outer diameter information of the mandrel model;
obtain a target braiding angle according to a target coverage rate and the outer diameter information of the mandrel model; and
generate a braiding simulation path according to the target braiding angle.

8. The braiding path generating device according to claim 7 , wherein the path generator is further configured to,
obtain the target braiding angle according to following formula:

α
⁡
(
s
)

=

cos

-
1

(

N
·
d
·
C

2
⁢

π
⁡
(

D
⁡
(
s
)

+

2
⁢
d

)

⁢

(

1
-

(

1
-
K

)

)

)

;

wherein N is the number of a plurality of strands of a wire material, d is diameter of each of the strands, and C is the number of a plurality of spindles of the braiding system, each spindle is wound with one of the wire materials, α(s) is a target braiding angle, K is a target coverage rate, D(s) is the outer diameter information of the mandrel varying with s, and s is an extension direction of the mandrel.

9. The braiding path generating device according to claim 7 , wherein the mandrel model has variable cross-section.

10. A braiding system, comprising:
a driving device configured to:
drive a mandrel to move with a first operating parameter; and
drive a

Assignees

• Ind Tech Res Inst

Inventors

• Huang Yi-Ping
• Li shang-kun
• Li Yi-Tseng

Classifications

• D04C3/40 Primary

  for making tubular braids by circulating strand supplies around braiding centre at equal distances · CPC title

• D04C3/48

  Auxiliary devices · CPC title

• D04C1/00

  Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof · CPC title