紙護(hù)角的紙板選擇是獲取顧客訂單的步，也是關(guān)鍵的一步，只有準(zhǔn)確合理的選擇好紙護(hù)角，顧客的成本接受能力，才能贏得訂單，使顧客滿意，確保在激烈的市場競爭中建立穩(wěn)定的客戶關(guān)系，并保持一定的利潤空間，使企業(yè)得以持續(xù)發(fā)展。
The paperboard selection of paper corner guards is the first and key step to obtain customers' orders. Only by choosing paper corner guards accurately and reasonably and meeting customers' cost acceptance ability, can we win orders, make customers satisfied, ensure the establishment of stable customer relationship in the fierce market competition, and maintain a certain profit margin, so that the enterprise can continue to develop.
1、紙護(hù)角的種類選擇
1. Selection of paper corner protectors
紙護(hù)角的種類一般分為單面紙護(hù)角、三層紙護(hù)角、五層紙護(hù)角和七層紙護(hù)角，單面紙護(hù)角是由一張面紙和一張瓦楞紙粘合而成的；三層紙護(hù)角也稱單紙護(hù)角，是在一張面紙和一張里紙之間粘一張瓦楞紙而形成的；五層紙護(hù)角也稱雙紙護(hù)角，是在面紙、芯紙、里紙之間粘二張瓦楞紙而形成的；七層紙護(hù)角也稱三紙護(hù)角。是在面紙、芯紙、里紙之間粘三張瓦楞紙而形成的。
The types of paper corner protectors are generally divided into single-sided paper corner protectors, three-layer paper corner protectors, five layer paper corner protectors and seven layer paper corner protectors. The single-layer paper corner protectors are formed by gluing a piece of face paper and a piece of corrugated paper; the three-layer paper corner protectors are also called single paper corner protectors, which are formed by gluing a piece of corrugated paper between a piece of face paper and a piece of inner paper; the five layer paper corner protectors are also called double paper corner protectors, which are formed by gluing a piece of face paper, core paper and inner paper Glued between two sheets of corrugated paper and formed; seven layer paper corner, also known as three paper corner. It is formed by gluing three pieces of corrugated paper between face paper, core paper and inner paper.
2、紙護(hù)角的波形選擇
2. Waveform selection of paper corner protector
瓦楞波形一般分為U形、V形、UV形三種。U形楞的愣頂是圓的，V形楞的愣頂近似于三角形的頂，UV形楞的愣頂形狀介于兩者之間。
Corrugated wave is generally divided into U-shaped, V-shaped, UV shaped three. The U-shaped edge is round, the V-shaped edge is similar to the triangle, and the UV shaped edge is between them.
V型：又名三角形。瓦楞的峰和谷半徑較小，峰谷間成直線連接，楞峰接觸面小，節(jié)省粘合劑和原紙，但粘合強(qiáng)度，由于兩條斜線的合力作用，平面抗壓強(qiáng)度較大，但超過了它的承受力限度，
V-shape: also known as triangle. The peak and valley radius of corrugating is small, the peak and valley are connected in a straight line, the contact surface of corrugating peak is small, the adhesive and base paper are saved, but the adhesive strength is low. Due to the combined force of the two oblique lines, the plane compressive strength is larger, but it exceeds its bearing capacity,
瓦楞會迅速被破壞，壓力后不能恢復(fù)原狀，緩沖性能差，彈性小。
Corrugating will be quickly destroyed, pressure can not be restored after the elimination of the original, poor cushioning performance, small elasticity.
U型：又名圓弧形。其瓦楞均衡，由峰谷連接而成，楞峰接觸面大，著膠面積大，粘接牢固，粘合強(qiáng)度大，由于圓弧的力點(diǎn)不穩(wěn)定，其平面抗壓強(qiáng)度于V型紙護(hù)角，但它的伸張、緩沖性能好，當(dāng)壓力后，瓦楞能基本恢復(fù)原狀，彈性較好。
U shape: also known as arc shape. Its corrugating is balanced and connected by peaks and valleys. It has large contact surface, large adhesive area, firm adhesion and high adhesive strength. Due to the unstable force point of arc, its plane compressive strength is lower than that of V-shaped paper corner protector, but its stretching and buffering performance is good. When the pressure is eliminated, the corrugating can basically return to its original state with good elasticity.
UV型：是采取V型和U型的優(yōu)點(diǎn)結(jié)合而成的，既保持了U型楞的粘合強(qiáng)度，又具備V型楞的高平面抗壓強(qiáng)度，承受力較大，彈性也好，因此，目前廣泛采用UV型瓦楞制造紙護(hù)角。
UV type: it is formed by combining the advantages of V-type and U-type. It not only maintains the adhesive strength of U-type corrugating, but also has the high plane compressive strength of V-type corrugating. It has large bearing capacity and good elasticity. Therefore, UV type corrugating is widely used to make paper corner protectors at present.
顧客對瓦楞波形一般不做要求，但在合適的條件下，為保證和提高紙護(hù)角強(qiáng)度，增加硬度及抗沖擊力，滿足彈性和印刷需要，可選擇B楞為V形，C或A楞為UV形或U形結(jié)合方式。
Customers generally have no requirements for corrugating waveform, but under appropriate conditions, in order to ensure and improve the strength of paper corner protection, increase hardness and impact resistance, and meet the needs of elasticity and printing, they can choose V-shaped corrugating, UV or U-shaped combination of C or A-shaped corrugating.
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