| 机械必备常识50问 |
| 添加时间：2017/10/17 17:12:23 浏览次数： |
| 1：金属结构的主要形式有哪些？ 1: what are the main forms of metal structure? 答：有框架结构、容器结构、箱体结构、一般构件结构。 Answer: there are frame structure, container structure, box structure, general component structure. 2：铆工操作按工序性质可分为几部分？ 2: The Riveter operation according to the processes in nature can be divided into several parts? 答：分为备料、放样、加工成型、装配连接。 Answer: divided into preparation, lofting, molding, assembly and connection. 3：金属结构的连接方法有哪几种？ 3: what are the connecting methods of metal structures? 答：有铆接、焊接、铆焊混合联接、螺栓联接。 Answer: riveting, welding, riveting and welding mixed connection, bolt connection. 4：在机械制造业中铆工属于（热加工类）。 4: in the mechanical manufacturing industry belongs to the riveter (thermal processing class). 5：什么叫热加工？ 5: what is called thermal processing? 答：金属材料全部或局部加热加工成型。 Answer: metal materials all or part heating processing molding. 9：珩架结构是以什么为主体制造的结构？ 9: what structure is the structure of the honing frame made of? 答：是以型材为主体。 Answer: is based on profiles as the main body. 7：容器结构是以什么为主体制造的结构？ 7: the structure of the vessel is made of what is the main structure? 答：是以板材为主体。 Answer: is based on the plate as the main body. 8：箱体结构和一般结构是以（板材）和（型材）混合制造的结构。 8: the box structure and the general structure are made of (plate) and (profile) mixed manufacturing structure. 9：备料是指（原材料）和（零件坯料）的准备。 9: refers to the material (raw material) and preparation (part blank). 10：钢板和型材在（运输、吊放、储存）的过程中可造成变形。 10: in the steel plate (transport, dipping, storage) process can cause deformation. 11：钢材的变形会影响零件的（吊运、下料、气割）等工序的正常进行。 11: the steel deformation will affect the parts (lifting, cutting, cutting and other processes) normal. 12：零件在加工过程中产生的变形如不进行矫正，则会影响结构的（正确装配）崐１ 12: if not corrected deformation parts produced during the processing, it will affect the structure (the correct assembly) and 1 13：焊接产生的变形会降低装配的（精度），使钢结构内部产生附加应力，影响（构件的强度）。 13: welding deformation will reduce the assembly (accuracy), so that additional stress in the steel structure, affect the strength of the component. 14：扁钢的变形有（弯曲、扭曲、弯扭复合变形）。 14: flat steel deformation (bending, twisting, bending and torsion compound deformation). 15：多辊矫正机根据轴辊的排列形式和调节辊的位置可分为哪几种？ 15: multi roller straightening machine according to the arrangement of the shaft roller and the position of the adjustable roller can be divided into which kinds? 答：可分为上下辊列平行矫正机、上下辊倾斜矫正机。 Answer: can be divided into the upper and lower roll parallel straightening machine, the upper and lower roll tilt correction machine. 16：火焰校正的加热方式有哪些？ 16: what are the heating modes of flame correction? 答：有点状、线状、三角形加热。 Answer: dot, line, triangle heating. 17：火焰矫正的效果由什么因素决定？ 17: the effect of flame correction depends on what factors? 答：由加热的位置和加热温度决定。 Answer: determined by heating position and heating temperature. 春夏秋冬走健康之路看四季养生网 A healthy way in spring, summer, autumn and winter 健康饮食 养生问题 母婴保健 养生小常识 Healthy diet health problems, maternal and child health care tips 18：矫正的方法有哪些？ 18: what are the corrective methods? 答：机械校正、手工矫正、火焰矫正、高频热度铰正。 Answer: mechanical correction, manual correction, flame correction, high frequency heat hinge. 19：什么是制作金属结构的第一道工序？ 19: what is the first step in making metal structures? 答：放样和号料是制作金属结构的第一道工序。 Answer: lofting and marking are the first steps in making metal structures. 20：放样与号料对产品的影响有哪些？ 20: what are the effects of lofting and marking on the product? 答：它将直接影响产品质量对生产周期及成本都有直接影响。 Answer: it will directly affect the quality of the product, has a direct impact on the production cycle and cost. 21：放样常用的量具有什么？ 21: what are the quantities used in lofting? 答：有木折尺、直尺、钢卷尺、钢板尺等。 Answer: a wooden folding ruler, a ruler, steel tape, steel ruler etc.. 22：放样常用的工具有什么？ 22: what are the commonly used tools for lofting? 答：有划规、地规、样冲、划针、小手锤。 Answer: there are compasses, ground rules, sample punch, needle, small hammer. 23：实尺放样的程序是什么？ 23: what is the procedure of setting out the scale? 答：程序是线型放样、结构放样、展开放样。 Answer: the program is linear lofting, structure lofting, deployment lofting. 24：展开放样的内容有什么？ 24: what is the content of lofting? 答：有板厚处理、展开作图、制作号料样板。 Answer: there are plate thickness treatment, expansion drawing, production number template. 25：样板按其用途分类有哪几种？ 25: how many kinds of samples are classified according to their uses? 答：有号料样板、验型样板、定位样板。 Answer: there is a number of material template, test model, positioning template. 26：制作样板一般采用什么材料？ 26: what materials are usually used for making models? 答：采用厚0.5--2毫米的薄铁皮。 Answer: use thick 0.5--2 mm thin iron sheet. 27：样板、样杆的画法主要有哪几种？ 27: what are the main drawing methods of sample and rod? 答：有直线画样法、过渡画样法。 Answer: there are straight drawing method, transition drawing method. 28：怎样做到合理用料？ 28: how to make reasonable use of materials? 答：要集中套排、余料利用。 Answer: should focus on nesting, surplus material utilization. 29：曲线分哪几种？ 29: which kinds of curves are divided? 答：分为平面曲线和空间曲线。 Answer: divided into plane curve and space curve. 30：求直线段实长方法有哪些？ 30: what is the method of calculating the length of the straight line? 答：有旋转法、直角三角形法、支线法、换面法。 Answer: there are rotation method, right triangle method, branch line method, change surface method. 31：展开放样的步骤是什么？ 31: what is the process of lofting? 答：是通过几何作图先画出相贯线、实长线、断面实形然后作出展开图。 Answer: through geometric drawing, first draw the intersection line, the long line, the cross-section solid shape, and then make the expansion diagram. 32：求平面立体截交线的基本方法是什么？ 32: what is the basic method to find the intersection line of plane? 答：棱线法和棱面法。 Answer: ridge method and edge plane method. 33：求曲面立体截交线的基本方法是什么？ 33: what is the basic method of finding the intersection line of a solid surface? 答：是经线法和纬线法。 Answer: the longitude method and the weft method. 34：求相贯线的主要方法是什么？ 34: what is the main method of intersection line? 答：是辅助平面法、素线法、球面法。 Answer: auxiliary plane method, prime line method, spherical method. 35：相贯线有何特点？ 35: what are the characteristics of intersecting lines? 答：(1)相贯线是相交两形体的共有线和分界线(2)由于形体具有一定范围所以相贯线总是封闭的。 Answer: (1) the intersecting line is the common line and dividing line of intersecting two bodies. (2) because the body has a certain range, the intersecting line is always closed. 36：什么叫截交线？ 36: what is called intersection line? 答：截平面与立体表面的交线。 Answer: intersection of plane and solid surface. 37：什么叫素线？ 37: what is the prime line? 答：母线在构件表面上的任何一个位置叫素线。 Answer: any part of the bus bar on the surface of the component is called the prime line. 38：常用的展开方法有什么？ 38: what are the common methods of unfolding? 答：有平行线法、放射线法、三角形法。 Answer: there are parallel line method, ray method, triangle method. 39：球面的分割方式通常有什么？ 39: what is the division of the sphere? 答：有分带法、分块法、分瓣法。 Answer: there are banding method, block method, split valve method. 40：板厚处理的主要内容是什么？ 40: what is the main content of plate thickness treatment? 答：确定弯曲件的中性层和消除板厚干涉。 Answer: determine the neutral layer of bending parts and eliminate the interference of plate thickness. 41：角钢弯曲件的料长按什么计算？ 41: what is the material length of angle steel bending parts? 答：按重心层计算。 Answer: according to the center of gravity calculation. 42：剪切直线的剪床有哪几种？ 42: shear line shears are there? 答：有龙门斜口剪床、横木斜口剪床、联合冲剪机床。 Answer: Longmen oblique oblique bar shearing machine, shearing machines, combined punching and shearing machine. 43：剪切曲线的机床有哪几种？ 43: what kinds of machine tools are there in the shear curve? 答：有圆盘剪床、振动剪床。 Answer: Circular shears, vibrating shears. 44：振动剪床的特点是什么？ 44: what are the characteristics of vibrating shears? 答：振动剪床能剪切各种曲线和内孔。 Answer: vibrating shears can shear the various curves and the inner hole. 45：联合剪冲机床由什么组成？ 45: what is the composition of the combined cutting machine? 答：由斜口剪、型钢剪、小冲头组成。 Answer: by oblique mouth shear, shaped steel scissors, small punch composition. 46：试分析剪切机的传动顺序。 46: try to analyze the transmission sequence of shearing machine. 答：其顺序为由原动件－－传动件－－工件 Answer: the order on the grounds of the original - transmission - workpiece 47：龙门剪床的前后档板有何作用？ 47: the front plate shears in Longmen has what function? 答：主要起定位作用。 Answer: the main role of positioning. 48：在龙门或斜口剪床上，定位剪切有哪几种形式？ 48: in Longmen or oblique bed, shear localization which has several forms? 答：有剪板定位剪切、后挡板定位剪切、挡板定位剪切。 Answer: there are shear plate positioning shear, back plate positioning shear, baffle positioning shearing. 49：斜口剪作用于材料上的剪切力可分解为什么 49: why can the shearing force of oblique shear be decomposed on the material? |
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