Control method of printing temperature and device thereof

Patent metadata

Field	Value
Publication number	US-2016339641-A1
Application number	US-201514870015-A
Country	US
Kind code	A1
Filing date	Sep 30, 2015
Priority date	May 22, 2015
Publication date	Nov 24, 2016
Grant date	—

Abstract

A temperature control method of printing and a device thereof are provided, wherein the method and the device is adapted to a 3D printer which has a discharge nozzle. The control method includes the following steps. A temperature rule table is provided, and the temperature rule table is formed by a printing speed parameter and a discharge speed parameter of the 3D printer. At least one printing speed information and at least one discharge speed information are received. Corresponding temperature information is obtained from the temperature rule table according to the printing speed information and the discharge speed information. Further, a temperature of the discharge nozzle is adjusted according to the printing speed information, the discharge speed and the at least one temperature information.

First claim

1 . A control method of printing temperature, adapted to control a printing temperature of a discharge nozzle of a 3D printer, and comprising:
providing a temperature rule table, wherein the temperature rule table is formed by a printing speed parameter, a plurality of printing speed ranges corresponding to the printing speed parameter, a discharge speed parameter and a plurality of discharge speed ranges corresponding to the discharge speed parameter of the 3D printer; receiving at least one printing speed information and at least one discharge speed information; obtaining at least one temperature information from the temperature rule table according to the printing speed ranges corresponding to the at least one printing speed information and the discharge speed ranges corresponding to the at least one discharge speed information; and adjusting the printing temperature of the discharge nozzle according to the at least one printing speed information, the at least one discharge speed information and the at least one temperature information.

2 . The control method according to claim 1 , wherein a temperature corresponding to the at least one temperature information in the temperature rule table is defined according to an optimal printing temperature of at least one printing material.

3 . The control method according to claim 1 , wherein each of the printing speed ranges and the discharge speed ranges has a corresponding membership function, and
the step of adjusting the printing temperature of the discharge nozzle according to the at least one printing speed information, the at least one discharge speed information and the at least one temperature information comprises: calculating the printing temperature by a weighted mean formula according to the at least one printing speed information, the at least one discharge speed information, the membership functions of the printing speed ranges corresponding to the at least one printing speed information, the membership functions of the discharge speed ranges corresponding to the at least one discharge speed information, and the at least one temperature information.

4 . The control method according to claim 3 , wherein the weighted mean formula is:

T
=

∑

i
,
j
,
k



(

MIN


(

U
i



(
X
)

,

V
j



(
Y
)

)

×

D


(

S
k

)

)

∑

i
,
j
,
k



(

MIN


(

U
i



(
X
)

,

V
j



(
Y
)

)

)

,

wherein T is the printing temperature, MIN is for finding a minimal value, X is the at least one printing speed information, Y is the at least one discharge speed information, i is at least one first position on the printing speed ranges in the temperature rule table corresponding to the at least one printing speed information, j is at least one second position on the discharge speed ranges in the temperature rule table corresponding to the at least one discharge speed information, k is at least one temperature type corresponding to at least one third position in the temperature rule table according to the at least one first position and the at least one second position, U i (X) is the membership function of the at least one printing speed information with respect to the printing speed range corresponding to the at least one first position, V j (Y) is the membership function of the at least one discharge speed information with respect to the discharge speed range corresponding to the at least one second position, S k is at least one corresponding temperature information corresponding to at least one corresponding temperature type, and D(S k ) is at least one temperature corresponding to the at least one corresponding temperature information.

5 . The control method according to claim 1 , wherein the 3D printer is a fused deposition modeling 3D printing device.

6 . The control method according to claim 1 , further comprises:
adjusting the printing temperature of the discharge nozzle according to at least one temperature corresponding to the at least one temperature information.

7 . A control device of printing temperature, adapted to a 3D printer, and comprising:
a discharge nozzle, disposed on the 3D printer; a storage unit, configured to store a temperature rule table, wherein the temperature ru

Assignees

• Xyzprinting Inc
• Kinpo Elect Inc
• Cal-Comp Electronics & Communications Company Ltd

Inventors

• Ho Kwan
• Chang Yu-Chuan

Classifications

• B33Y10/00

  Processes of additive manufacturing · CPC title

• G05B15/02

  electric · CPC title

• B33Y50/02 Primary

  for controlling or regulating additive manufacturing processes · CPC title

• B29C64/209

  Heads; Nozzles · CPC title

• B29K2055/02

  ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers · CPC title