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[技术] 火车模型制作

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 楼主| 发表于 2009-9-1 05:37:16 | 显示全部楼层
The trunk guide casting ex foundry. 主干引导铸造前铸造。 The bit sticking out to the right fixes to a plate bolted to the top face of the chassis rail and thus takes the weight of the engine. 位坚持出正确的修补程序来插在底盘的轨顶面一盘 , 从而采取了发动机的重量。 The trunk guide bore is circular on my design. 主干孔是圆形的指导我的设计。

Cylinder block casting ex foundry. 缸体铸件铸造前。 The cast in portway between the power cylinder and valve bobbin cylinder is just visible. 在两间电力缸缸和阀线轴波特韦投仅可见。 Side and rear lugs are machining aids. 耳侧和后部的加工助剂。


The chassis in primer. 在引物底盘。 Front is to the right. 前面是正确的。 Note the substantial engine mounting plate. 注意发动机的大量安装板。

My driving truck from the underside. 我从底部驾驶卡车。 This is a commercial model which I modified for the buckeye coupler from the standard buffers and drawhook. The plastic pipe conveys vacuum to any carriages pulled. 这是一个商业模式 , 我为标准 , 从缓冲区和drawhook橡树耦合器修改。传达的塑料管道真空任何车拉
 楼主| 发表于 2009-9-1 05:38:01 | 显示全部楼层
7 ¼” GAUGE SHAY LOCOMOTIVE  SPECIFICATIONS 7 ¼“针数谢伊机车规格
1. 1。 GENERAL. 一般。
Mainline gauge model, ie 1/8 scale. 主线衡量模式,即1 / 8的规模。
Based on Lima “B” Class Shay, of about 65 tons, of early 1900's 根据利马“B”级谢伊,约65吨的1900年年初,公司
Overall size, 65” long, 14.5” wide and 20” high. 总体规模,65“长,14.5”宽,20“高。
Dry weight is about 280 lbs, ( ~ 300 lbs working). 干重约280磅,(〜三零零磅工作)。
Project was started in May 2005, engine first run, without cab etc, in July 2007. 项目开始于2005年5月第一次运行发动机,驾驶室等情况下,于2007年7月。
Model is not quite complete, needs domes, bell, pinion guards etc etc. 模型是不够全面,需要圆顶,钟,小齿轮等警卫等
2. 2。 DESIGN. 设计。
Aim was to produce a loco which would travel easily at 5 to 6 mph and thus be suitable for passenger hauling on Club tracks. 目的是要产生一宗旅行很容易将在5至6英里到因此会拖上乘客合适的轨道。 (That is real, not scale speed). (这是真实的,而不是大规模的速度)。
The overall size and weight had to be compatible with my estate car. 整体尺寸和重量都必须与我的旅行车兼容。
It is thus my own design, based on information from books and the Web, mostly USA based sites. 因此 , 我自己设计的基础上,从书本和网络的站点大多是美国的信息。
Was designed to be easy to operate and maintain, as far as possible. 被设计成易于操作和维护,尽可能。
Designed on a PC with a 2D CAD system, “Turbocad” v4. 设计上的二维CAD系统的PC,“Turbocad”4版。
Some attention was paid to lubrication methods, and replaceable bearing bushes. 一些注重润滑方法,更换轴承衬套。
Design of individual parts was made compatible with my machining facilities. 个别部件的设计了我的加工设备兼容。
Note that the design is in metric dimensions, I have quoted inches here when convenient. 请注意 , 在指标设计方面,我在这里引述英寸方便的时候。
 楼主| 发表于 2009-9-1 05:38:15 | 显示全部楼层
3. 3。 SUB ASSEMBLIES. 再组装。
Boiler 锅炉
Copper boiler, coal fired, of conventional locomotive type, 100 psi rated. 铜锅炉,燃煤,常规机车类型,额定100防扩散安全倡议。
Barrel 6” diameter, 17” long, firegrate 6” x 4.5”. 桶6“直径,17”长,firegrate 6“× 4.5”。
16 fluetubes and 4 super heater flues with stainless steel radiant type elements. 16 fluetubes和4个不锈钢超辐射式加热器烟道的元素。
- I had the boiler made professionally. -我有锅炉作出专业。
Water feed is by rear truck mounted axle pump, injector or Wier pump. 水饲料安装轴泵,喷油器或威尔泵的后方卡车。
Engine 发动机
3 cylinder, piston valve, Stephenson's valve gear. 3气缸,活塞阀,斯蒂芬森的阀门设备。
Scaled from full size 11” bore by 12” stroke engine, ie 36mm x 38mm. 全尺寸涵盖了从11“12孔”冲程发动机,即36毫米x 38毫米。
Pistons are aluminium alloy with two cast iron rings. 铝活塞的两个合金铸铁环。
Piston valve bore is 18mm, using 3 part stainless steel bobbins with cast iron rings. 活塞阀口径为18mm,使用铸铁环三部分不锈钢滚筒。
The 3 throw crankshaft is of built up construction, Loctite(603) and pinned, with case hardened big end journals. 3投掷曲轴建的加快建设,乐泰(603)和牵制,与案件硬化大端期刊。 The 3/4” diameter shaft runs in bronze bearings, the centre ones being split. 第3 / 4“直径轴运行,该中心正在***的青铜轴承。
The central eccentric pair is also split. 中央偏心两人也是***。
All the engine casings are to my design, cast by a local commercial foundry in spheroidal graphite iron, (a ductile grade and beautiful to machine!). 所有的发动机外壳是我的设计,由当地的球墨铸铁铸造厂铸造,(1韧性等级和美丽的机器!)。
Note: I am aware that all the early engines were slide valve, but I wanted a loco that would not be an unwelcome slowcoach on the track, so I designed an engine that would rev freely. 注:我知道所有早期的发动机是滑阀,但我想一宗这不会是一个在赛道上不受欢迎的慢性子,所以我设计了一个引擎 , 将转速自由。 It needs ~800rpm do travel at 6mph (model velocity), which it does comfortably. 它需要〜800rpm做6英里每小时旅行(型号速度),它不舒服。
I understand some early locos were re-engined if they got damaged. 据我所知 , 一些早期locos被重新引擎 , 如果他们得到了破坏。
 楼主| 发表于 2009-9-1 05:38:37 | 显示全部楼层
Trucks 卡车
Based on the early bar frame design. 根据早期杆架设计。
Bar frame section 14 x 5mm black bar, 12 x 3mm for top braces, bottom angles 12 x 12 x 3mm. 酒吧帧第14 x 5mm的黑条,12,底部角度12 × 12 × 3mm的上方括号x 3mm的。
Wheel diameter 116mm, (~ 4.5”). 车轮直径一百十六毫米,(〜4.5“)。 These are commercial front bogie wheel castings for a 7 ¼” Gauge “King” class GWR 4-6-2 locomotive! 这是商业战线7 ¼“计”金波超视距雷达4-6-2火车头“类转向架轮铸件!
Gear ratio is 1.75:1, a bit lower than most Shays, (it also made the pinion manufacture a bit easier). 齿轮比率是1.75:1,略高于大多数谢斯低,(这也使小齿轮制造容易一点)。 Gears are 35T and 20T, which I cut myself. 齿轮35吨和20吨 , 我切自己。
I made the patterns for the truck castings, cast as for engine parts. 我在为卡车铸件模式,投给发动机部件的。
The axles run in two-row self aligning ball bearings on the gear side, and a standard sealed ball race on the other end in the sprung axle box, both 12mm bore. 两轴运行的排调心方对球轴承齿轮,和一个标准就在轴箱弹簧的另一端密封球的比赛,两个12毫米口径。
The pinion shaft runs in porous bronze bearing bushes. 小齿轮轴运行多孔青铜轴承衬套。
The truck pivots on a ball thrust race (slightly preloaded) with limit stops to prevent damage to the universal joints etc in the case of a derailment. 在推力球比赛的极限(略预装)卡车支点站 , 以防止损坏万向节的一出轨案等。
Universal joints and sliding shafts much as Mr Shay designed them, shafts are ½” square, sockets are two pieces of bright steel angle silver soldered together. 万向节和滑动轴高达谢伊先生设计的他们,竖井½“广场,插座的两个角银亮钢件焊接在一起。
Cast iron brakes shoes on both trucks, chassis mounted vacuum actuator for front truck, (to be compatible with most UK passenger stock), steam power cylinder for the rear truck coupled with screw down cab handbrake. 铸铁两卡车刹车鞋,底盘安装了前车的真空器,(与大多数英国乘客股票兼容),蒸汽动力缸与驾驶室手刹螺旋下降 , 加上后方卡车。
Chassis 底盘
Main rails 20 x 40 mm hot rolled channel (single piece) with substantial plate and channel drag boxes for the “Railroad Warehouse” couplers, (very nice), and one channel frame stretcher. 主要钢轨20 × 40毫米热轧通道(单件),有大量板和“铁路仓库”耦合通道拖箱,(非常好),和一个通道帧担架。
The truck pivot bearing housing plate bolts to the side channels to allow easy removal of a truck without any other loco dismantling. 卡车枢轴轴承箱板螺栓的一方渠道 , 让没有任何其他拆除洛科的卡车容易清除。
Oak buffer beams of 26 x 40mm section complete the chassis. 橡树缓冲梁完成底盘的26 x 40毫米部分。
Cab 驾驶室
Outline based on the early loco type, with typical Shay features. 大纲的基础上早日买卖类型,谢伊的典型特征。
Designed to lift off after removal of securing nuts to cab floorplate for easy maintenance access to cab pipework and controls. 设计后撤销安全 , 便于维修管道进入驾驶室和控制果 , 驾驶室floorplate取消了。
Removable cab roof section for ease of driving. 可拆卸出租车驾驶执照方便屋顶部分。
All timber construction in fine grained pine,(ex 1970's window frame!) 细粒度的所有松树,(前1970年的窗框木材建造!)
Timber has been varnished, I have no idea what the full size did, but it looks nice! 木材已被漆,我不知道的全尺寸一样,但它看起来很漂亮!
Front windows hinge open, side windows slide, both with hardwood frames and Perspex panes. 打开前窗铰链,侧车窗都以硬木框架和有机玻璃窗格幻灯片。
The internal arrangement of controls has been made to make driving as comfortable as possible. 内部控制的安排已使驾驶尽可能舒适。
 楼主| 发表于 2009-9-1 05:39:49 | 显示全部楼层
Water tank 水箱
Outline based on the early loco type, with typical Shay rivet patterns. 大纲的基础上早日买卖型,带有典型的谢伊铆钉模式。
Standard construction of sheet and small section angle, riveted together. 标准板和小部分的角度建设,铆接在一起。
Sides fixed to floorplate to make a removable sub assembly. 双方固定floorplate作出移动子集。
Capacity nearly two gallons (UK). 容量近两加仑(英国)。

发表于 2009-9-2 09:36:16 | 显示全部楼层
:):):)欣赏
发表于 2009-9-18 12:51:38 | 显示全部楼层
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