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A kind of making method of ultra-bass drum paper

A production method and subwoofer technology, applied in sensors, electrical components, etc., can solve the problems of high air leakage rate, high distortion rate, poor bass sound quality, etc., and achieve the effect of good sealing, good sound effect and moderate thickness

Active Publication Date: 2019-08-02
广西玉林市禹力音响配件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing drum paper production methods, there are disadvantages such as high air leakage rate, high distortion rate, loudspeaker sound, and poor bass sound quality.

Method used

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  • A kind of making method of ultra-bass drum paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of manufacture method of super bass drum paper, comprises the following steps:

[0033] (1) Beating: add water accounting for 65% of the volume of the beater into the beater tank; put the uncolored kraft softwood pulp (UKP) raw material that needs to be kneaded into the pulp tank of the beater for dissociation, and dissociate after 15 minutes. After 25 minutes of light knife, the heavy knife is used for 2 hours; after 2 hours of beating, the pulp beating degree is measured, and the knife can be lifted after reaching the required beating degree. The beating degree of natural kraft softwood pulp is 20 degrees; Softwood pulp with additives including dyes, salt, acrylic latex (ODG) water repellent and trimethyl phosphate (P615) hardener;

[0034] The order of adding and using the above-mentioned additives are as follows: first pour 7% of the weight of the slurry evenly into the slurry for 5 minutes; pour 2% of the salt into the slurry to fix the color, and leave for ...

Embodiment 2

[0046] A kind of manufacture method of super bass drum paper, comprises the following steps:

[0047] (1) Beating: add water accounting for 75% of the volume of the beater into the beater tank; put the bleached kraft softwood pulp (BKP) raw material into the pulp tank of the beater for freeing; after freeing for 25 minutes, place a light knife for 35 minutes After that, the heavy knife is lowered for 2.5 hours; the degree of pulp beating is measured after 2.5 hours of beating, and the knife can be lifted after reaching the required beating degree. The beating degree of bleached kraft softwood pulp is 20 degrees; Additives including dyes, salts, acrylic latex (ODG) water repellants and trimethyl phosphate (P615) hardeners;

[0048] Among them, the order of adding additives and the method of use are as follows: first evenly pour 10% of the dyestuff by the weight of the slurry into the slurry, and let it free for 8 minutes. The dyestuff in this embodiment adopts direct sunfast bl...

Embodiment 3

[0060] A kind of manufacture method of super bass drum paper, comprises the following steps:

[0061] (1) beating: add water accounting for 75% of the volume of the beater in the beater pool; put the cotton pulp raw material into the pulp pool of the beater to free; after free for 20 minutes, place a light knife for 30 minutes and then a heavy knife for 2 hours; After beating for 2 hours, measure the degree of pulp beating, lift the knife after reaching the required beating degree, and add additives including dye, salt, acrylic latex (ODG) waterproofing agent and trimethyl phosphate (P615) hardener;

[0062] Among them, the order of adding and using the above additives is as follows: firstly pour 8% of the dyestuff by the weight of the slurry evenly into the slurry, and let it free for 5 minutes. Bright red (direct sunfast black G: direct bright red=10:1.5), increase the blackness of the paper cone; pour 2% of the salt into the slurry to fix the color, free for 5 minutes; add ...

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Abstract

The invention discloses a manufacturing method of super bass drum paper and belongs to the technical field of electroacoustic products. The manufacturing method includes the steps of firstly, beating; secondly, making paper; thirdly, reinforcing neck parts; fourthly, spraying varnish; fifthly, spraying or tossing glue; sixthly, cutting; seventhly, forming; eighthly, applying glue to edges; ninthly, adhering; tenthly, sewing and reinforcing. The manufacturing method has the advantages that the bass quality of the super bass drum paper is increased, distortion rate is lowered to a large degree, the physical performance such as filling power, damping performance, lightweight performance and stiffness-flexibility combination of the obtained drum paper is well improved, a loudspeaker using the drum paper can have a good sound effect, and sounds are soft, gentle and elegant, relaxing, natural and less prone to fatigue causing.

Description

technical field [0001] The invention relates to the technical field of electroacoustic products, in particular to a method for making super bass drum paper. Background technique [0002] The noise generated by the friction between the tires and the road, the noise of the engine, the wind and the structural conditions inside the car often weaken the bass effect, especially when the speed is fast, due to the influence of noise, the bass is rarely heard. Therefore, it is particularly important to install an appropriate high-performance subwoofer to enhance the bass range. [0003] Drum paper is the main sound-generating part of the horn. The sound quality of the horn has a lot to do with the drum paper. Generally, the drum paper is mainly composed of the carcass and the side. The common drum paper is mostly composite drum paper, that is, the carcass and the side are made of different materials. , compounded and glued into a complete drum paper. The common material of the carc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R31/00
CPCH04R31/003H04R2231/001
Inventor 覃第起杨凯龙凌少林
Owner 广西玉林市禹力音响配件有限公司
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