Effect of the front angle of thread turning tool on the thread form angle is studied when manufacturing the thread.
研究了刃磨前角的刀具在加工螺纹时对牙型角的影响,以及采用修正前面内刀尖角的方法进行补偿,保证牙型角的精确性,在加工韧性材料时不产生振刀现象。
Based on the thread measuring principle with three-pins method,the relationships among main internal thread parameters were investigated,and a measuring device for internal thread parameters such as intermediate diameter,thread form angle and pitch was designed,it is suitable for general thread,trapezoid thread and serrated thread.
基于"三针法"螺纹测量原理,研究了内螺纹主要参数之间的相互关系,设计了可测量普通螺纹、梯形螺纹、锯齿形螺纹等内螺纹的中径、牙型角和螺距的测量装置。
Studies the law of different thread tooth link angles and friction factors to the axial force and maximum equivalent stress of the tapered thread.
研究不同牙形角和摩擦系数对锥螺纹旋紧机构轴向力及螺纹处最大等效应力的影响规律。
The effect of first premolar extraction on third molar angulation and eruption space
第一前磨牙减数治疗对第三磨牙角度和萌出间隙的影响
tra thin fine thread small hexagonal nut
特薄细牙六角小螺母
syndrome of hyperkeratosis palmoplan and periodontosis
掌跖角化牙周病综合征
Study on the Initial Stress Distribution of Maxillary Anterior Dentition and PDL Loaded by the Molar TIP-Back Bend in Different Angles;
不同角度磨牙后倾曲对上颌前牙段牙齿及其牙周膜初始应力分布的研究
A fanglike structure, especially a chelicera of a venomous spider.
蜘蛛的螯角尖牙状结构，尤指蜘蛛的螫角
Preservation and Restoration of Horn, Bone and Ivory Objects
角器骨器象牙器保护与修复
Small hexagon thin nuts-Fine pitch thread
GB/T808-1988小六角特扁细牙螺母
Hexagon thin nuts--Fine pitch thread--Product grades A and B
GB/T6173-1986六角薄螺母细牙A和B级
Hexagon thin slotted nuts--Fine pitch thread--Product grades A and B
GB/T9459-1988六角开槽薄螺母细牙A和B级
Hexagon head bolts-Fine pitch thread-Product grades A and B
GB/T5785-1986六角头螺栓--细牙--A和B级
Hexagon head bolts-Fine pitch thread-Full thread-Product grades A and B
GB/T5786-1986六角头螺栓--细牙--全螺纹--A和B级
" Hexagon nuts, style 1--Fine pitch thread--Product grades A and B"
Gb/T6171-19861型六角螺母细牙A和bb>级b>
" Hexagon nuts, style 2--Fine pitch thread--Product grades A and B"
Gb/T6176-19862型六角螺母细牙A和bb>级b>
" Hexagon slotted and castle nuts, style 2--Fine pitch thread--Product grades A and B"
Gb/T9458-19882型六角开槽螺母细牙A和bb>级b>
" Hexagon slotted and castle nuts, style l--Fine pitch thread--Product grades A and B"
Gb/T9457-19881型六角开槽螺母细牙A和bb>级b>
lungfishes having hornlike ridges on the teeth.
牙齿上有角状齿龈的肺鱼。
the capital of Cape Verde on Sao Tiago Island.
位于圣地牙哥岛的佛得角的首都。
Three thing is not to is trust - a cow's horn, a dog's tooth, and a horse's hoof.
三件东西难信赖:牛角、犬牙和马蹄。