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1、一、简介: 1.Brief introduction大港油田集团中成机械制造有限公司钻头制造厂是大港油田集团公司全资子公司的中成机械制造有限公司所属十个制造厂之一，是专业从事钻井用金刚石钻头的设计生产和服务的制造厂。技术力量雄厚，采用计算机辅助设计和先进的制造工艺向您提供优异的产品。Zhongcheng machinery manufacturing Co. Ltd is a state second-class enterprise of Da Gang Oilfield Group.It has legal personality. The Drilling Bit Manufacturi
2、ng Plant of Zhongcheng Company is a specialized manufactory to product polycrystalline diamond drilling bits for oilfields. It uses advanced computer aided design and manufacture technics to product high quality products.产品执行ISO9001、API Q1质量体系和SY/T5217-2000、API SPEC 7的质量规范，拥有API会标使用许可证。The product p
3、erform ISO9001、API Q1 quality system and SY/T5217-2000、 API SPEC7 quality standard ,We have gotten authorization to use certification of API monogram可以生产417 1/2 PDC、TSP金刚石全面钻进钻头、定向钻头、双心扩眼钻头和取芯钻头、孕镶式单晶金刚石取芯钻头、天然金刚石取芯钻头；还可按用户特殊要求，设计、生产特殊要求的钻头。Zhongcheng Company Product bits from 4to 17 1/2,The variety
4、 include PDC bit，TSP diamond drilling bit, Directional bit，Bi-centre bit and Coring bit，Mono-crystal Impregnated Bit, Natural Diamond Bit. Zhongcheng Company would like to design and manufacture different types diamond bits according to the consumers special requirement.中成钻头忠诚为您服务，让优异品质的钻头帮您加快钻井速度、降
5、低成本、希望通过我们的合作获得双赢。Zhongcheng Company would like to provide excellent service for you, We hope that Our high quality products accelerate drilling rate and reduce drilling cost. We expect Our cooperation could win-win of both sides. 钻头通过美国石油学会API SPEC Q1 & API Spec 7标准认证及复评钻头通过了国际标准ISO9001质量体系认证ZhongC
6、heng bit has passed ZhongCheng bit has passed authentication of API SPEC the centificate of ISO9001Q1 & API Spec 7 and review. quality system.二、大港钻头产品型号编码规则：The bit code rule 8.附加说明 accessional explain 7.设计分类号 design series code 6.钻头头型 profile sharp of the bit 5.刀翼数量 blade number 4.表示PDC 齿的直径 cutter
7、 diameter size 3.钻头用途 bit usage 2.钻头类型 bit type 1.钻头直径 diameter of the bit第一字段为阿拉伯数字（x阿拉伯数字），表示钻头直径，可以用英寸和毫米表示，前面的阿拉伯数字表示钻头外径（双芯钻头表示钻头通径），后面的阿拉伯数字表示钻头内径（非取芯钻头省略）。如：8 1/2x 101.6，表示钻头外径为8 1/2英寸，钻头内径为101.6mm。The first field is expressed by digit for indicating the diameter of the bit (unit: inch or met
8、ric). The foregoing digit indicates the outside diameter (For the Bi-centre bit It indicates draft diameter). The following digit indicates the indoor diameter (it just is used in coring bit, other type bits cancel the item). For example: 8 1/2x 101.6，It indicates that the bit outside diameter is 8
9、1/2and the bit indoor diameter is 101.6mm.1. 第二字段为一个英文字母，表示钻头类型（包括冠体材料和切削齿）。The second field is expressed by an English letter for indicating the bit type (classify with material of body and cutter type)Letter钻头类型 bit specM胎体式PDC钻头Matrix-body PDC bit.S钢体式PDC钻头Steel-body PDC bitN胎体式天然金刚石钻头Matrix-body
10、 Nature diameter bit.C胎体式人造圆柱聚晶金刚石钻头Cylindrical Thermal Stable Polycrystalline Diamond bitT胎体式人造三角聚晶金刚石钻头Triangle Thermal Stable Polycrystalline Diamond bitI胎体式孕镶人造单晶金刚石钻头Mono-crystal Impregnated bit2. 第三字段为一个英文字母，表示钻头用途。The third field is express by an English letter for indicating the bit usage. I
11、t is adopted just for the PDC bit. Letter钻头用途bit usageD钻进（Drill）钻头The drilling bitC取芯(Core)钻头The coring bitB双(Bi-)心钻头The Bi-centre bit3. 第四字段为一个阿拉伯数字，表示PDC 齿的直径。 The fourth field is expressed by a digit for indicating cutter diameter size.LetterPDC 齿的直径cutter diameter size010mm以下Less than 10mm110mm3
12、13mm616mm919mm4. 第五字段为一个阿拉伯数字，表示钻头的刀翼数量，4表示4个刀翼，5表示5个刀翼，以此类推。0表示非刀翼式布齿，9表示9个刀翼，0表示10个刀翼，1表示11个刀翼，2表示12个刀翼和12刀翼以上。 The fifth field is expressed by a digit for indicating blade number. 4: 4 blades 5: 5 blades 6: 6 blades - 0: 10blades 1: 11blades 2: 12blades or more than 12 blade6. 第六字段为一个阿拉伯数字，用19表示钻
13、头的头形（级别），数字越大，头型越长。 The sixth field is expressed by a digit for indicating the profile sharp of the bit. The bigger figure indicates the longer profile. 7.第七字段为一个阿拉伯数字或罗马数字，为设计分类号。The seventh field is expressed by a digit or a Roman numerals for indicating design series code.8.第八字段为附加说明。The eighth field is accessional explainExample:全面钻进钻头Drilling bit: 钻头型号：BIT TYPE: 12 1/4MD9561G12 1/4钻头外径：12 1/4Outer diameter size: 12 1/4M胎体式PDC钻头Matrix body PDC bitD全面钻进Normal drilling919毫米复合片19mm cutter55个刀翼5
