How to operate eight temperature zone lead free reflow soldering? What are the precautions?
Author:Guo Jianhua Time:2021-06-06 15:46 Browse(88)
How to operate eight temperature zone lead free reflow soldering? What are the precautions, Touch screen and OLED Forum
8 F/ i* V. g2 [2 j   N0 h+ X3 o+ N; ~- D) Precautions for U / R (n * M2 ~ 8-temperature zone lead-free reflow soldering: 6 e, F5 o: w (P + R0 Q (]1. The setting of temperature zone can not be adjusted at will. The parameters of the above temperature zone are basically based on the fact that the area of PCB plate accounts for 90% of the effective area of the steel mesh of the welding furnace, and the belt speed is 75cm ± When the area of PCB is different, the belt speed should be adjusted to achieve good welding effect5 T" N& ? 5 l* p5 Q$ X& X: MThe general principle of 9 [+ Q: i4k + k "@ 7 V7 X6 o # o regulation is as follows: when the area of PCB is small,

How to operate eight temperature zone lead free reflow soldering? What are the precautions?

the net take-off speed is a little faster, when the area of PCB is large, the net take-off speed is a little slower, all in order to achieve good welding effect.
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u9 J. D2 F% M2 H0 U * D8} 8 U0 ` 9 K 'm2, PID parameters of temperature control meter should not be set arbitrarily.
the temperature control meter should be set at any time" w* Z- ^) V5 _- o3 X! I8 N.
U$ `6 P; @ 6 ~4 S: m3 Z8 b" w' u6 y- _% z3. The inlet and outlet of reflow welder should avoid the influence of external natural wind on the dynamic temperature balance and welding quality+ A1 \9 Z0 }: i' `& {( U.
O8 s* F* W4. When the PCB workpiece at the discharge port of reflow soldering furnace is sent out,Avoid scalding the hands of operators; It is also necessary to prevent the PCB from accumulating at the discharge port, causing the PCB to fall or the PCB at the outlet has low solder strength at high temperature, and SMD components fall off due to falling or extrusion impact.
4 V; "] 5 J' R) ^8 }9 a. ~1 u( d6 I! i    j1 p; U5. Do a good job in the daily maintenance of welding equipment: clean the surface of the equipment every day to make it clean.
in the manual mode of refueling, click the refueling button once a week to lubricate the roller chain with high temperature lubricating oil (bio-30); During continuous production, at least twice a month: check to add high-temperature lubricating oil to the furnace motor and each rotating shaft wheel- p' A4 r: z; A- U.
R8 h$ j    o7 A) q9 ]$ @6. Check whether the grounding wire of the welding machine is connected reliably before starting the machine every day.
1] 9 Y7 p    c* e: i. [; v8 C. P; d    Y * A. O7 | 7, after troubleshooting.
turn on the main power supply of the equipment, and turn the red mushroom shaped emergency stop switch clockwise to return to the original working state.
when the machine is shut down, do not stop the PCB and the conveyor belt in the furnace which is still in the high temperature state.
stop the conveyor belt after the temperature in the machine drops! 5 W: ^* m- G7 K0 x, e9 }   v; u# v4 ~( r- f% _ 3 z9 E.
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