China Best Sales 4 Inch Deep Well Submersible Pump (4SP8 Series 50Hz) near me factory

产品描述

Stainless Steel construction designed for years of trouble free operation.; Close coupled to NEMA standard submersible motor.; Designed for flow rateds up to 14m3/h & head up to 300 meters.;

Features & Benefits
1.; Stainless steel impeller and diffuser ensures optimal performance in sandy wells
2.; Heavy duty stainless steel outer shell providing protection and accurate alignment of internal components
3.; High quality shaft bearings providing low friction and high wear resistance
4.; Built-in check valve prevent back flow.;
5.; Strong stainless steel splined drive shaft ensures positive impeller drive and longer life.;
6.; Standard 2 pole speed motor(2850r.; P.; M);limits internal velocities for longer life.;
7.; Single phase pump with control box with capacitor and thermal protection.;

Application
1.; Groundwater supply to waterworks
2.; Irrigation in horticulture and agriculture
3.; Groundwater lowering
4.; Pressure boosting
5.; Industrial applications
6.; Water treatment

Specification
1.; Capacity:; Up to 20m3/h
2.; Head:; Up to 300meters
3.; Power:; 0.;37kw(0.;5HP); to 7.;5Kw(10HP);
4.; Power supply:;
Single-phase 230V± 10%,; 50Hz.; 220V± 10%,; 60Hz
Three-phase 230V± 10%,; 50Hz.; 220V± 10%,; 60Hz
Three-phase 400V± 10%,; 50Hz.; 380V± 10%,; 60Hz
5.; Water temperature:; Up to 35 degrees
6.; Maximum immersion depth:; 350 meters

Model(50Hz)		Motor power		Capacity
Single phase	Three phase			l/min	0	30	60	90	120	150	180
		Kw	HP	m3/h	0	1.8	3.6	5.4	7.2	9	10.8
4SPM8/5	4SP8/5	0.75	1		30	28	26	24	21	17	12
4SPM8/7	4SP8/7	1.1	1.5		42	39	36	33	29	24	17
4SPM8/10	4SP8/10	1.5	2		60	55	51	48	42	35	24
4SPM8/12	4SP8/12	2.2	3		74	67	62	57	50	43	28
4SPM8/15	4SP8/15	2.2	3	Head(m)	90	84	78	72	65	54	36
	4SP8/18	3	4		108	100	93	85	76	63	44
	4SP8/21	4	5.5		126	117	108	99	89	73	51
	4SP8/25	4	5.5		150	140	130	117	105	86	60
	4SP8/30	5.5	7.5		181	168	155	142	127	105	73
	4SP8/37	5.5	7.5		222	204	188	173	157	132	82
	4SP8/44	7.5	10		263	244	223	206	188	157	106

花键轴有哪些优点？

如果您正在为您的机器寻找合适的花键轴，您应该了解一些重要事项。首先，应该使用什么材料？不锈钢通常是最合适的选择，因为它具有低噪音和低疲劳失效的优点。其次，它可以使用开槽机或成型机进行加工。最后，它能确保平稳运动。那么，花键轴有哪些优点呢？
不锈钢是花键轴的最佳材料。

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
大型等距花键广泛应用于液压系统、传动系统和机床。它们通常由碳钢（CR10）和不锈钢（AISI 304）制成。这种材料经久耐用，符合 ISO 14-B（原 DIN 5463-B）标准。花键轴通常由不锈钢或 C45 钢制成，但也有许多其他材料可供选择。
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.

它们具有低噪音、低磨损和低疲劳失效等优点。

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
花键轴的疲劳寿命是通过测量S-N曲线来确定的。S-N曲线也称为沃勒曲线，它描述了应力幅值与循环次数之间的关系。疲劳寿命取决于材料、几何形状和加载方式。可以通过对均匀材料试样在恒幅载荷下进行物理试验来获得S-N曲线。对于低合金钢零件，可以使用低合金钢材料进行近似计算。
花键轴具有低噪音、低磨损和低疲劳失效的优点。然而，在装配和制造过程中，一些机械传动元件需要从轴上移除。为了保证功能正常，轴仍必须能够进行相对轴向移动。因此，良好的花键连接对于高质量的扭矩传递、最小的齿隙和低噪音至关重要。花键轴的主要失效模式包括微动腐蚀、齿断裂和疲劳失效。
外盘托架花键易受拉应力影响，并可能发生疲劳失效。客户对低噪音、低磨损和低疲劳失效的高要求，使得花键轴成为理想之选。我们收到一个断裂的花键齿轮联轴器进行分析。该联轴器安装在滤清器轴的顶部附近，并插入齿轮箱电机中。其使用历史未知。断裂的花键齿轮联轴器沿纵向开裂，裂纹止于花键齿的末端。花键齿也出现了磨损和变形。
一种新型花键联轴器方法可检测空心圆柱花键轴中的故障扩展。该方法采用声发射（AE）工艺制造花键联轴器，并将花键部分展开成与圆柱壁厚度相同的金属板。此外，该花键联轴器存在错位，从而使花键齿承受显著的压力。这进一步加速了微动疲劳和磨损的发生。
花键连接件应在运行25小时后进行润滑。频繁润滑会增加维护成本并导致停机。此外，润滑剂可能会在界面处残留磨料颗粒。在某些情况下，润滑剂甚至会导致错位，从而造成过早失效。因此，花键联轴器的润滑对于确保轴的正常运转至关重要。
花键联轴器的设计可以进行优化，以提高其耐磨性和可靠性。表面处理、载荷和旋转都会影响花键联轴器的摩擦性能。此外，本文还开发了一种有限元方法来预测浮动花键联轴器的磨损。该方法可行，并为预测花键联轴器的磨损和疲劳寿命提供了可靠的依据。

它们可以用开槽机或成型机进行加工。

在各行各业中，可以使用机械加工来制造花键轴。花键轴用途广泛，例如变速箱、制动系统和车轴等。花键轴可以通过多种方式进行加工，包括滚齿、拉削和开槽。除了成型之外，花键还可以用于减小棒材直径。
使用开槽或成型机床时，工件被固定在厚度均匀的底座上。机床配备有立柱和限位柱（图 1），两者均垂直于底座的上表面。限位柱的轴线与立柱位于同一条直线上。在开槽或成型过程中，刀具会反复进出，直至达到所需的加工尺寸。
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
花键是一种齿轮。驱动轴上的凸脊或齿与配合部件上的凹槽啮合。花键轴能够将扭矩传递到配合部件，同时最大限度地提高动力传输效率。花键广泛应用于重型车辆、建筑、农业和大型土方机械。从车轴到传动系统，几乎所有类型的旋转运动都需要用到花键。此外，花键还具有更长的疲劳寿命和更高的可靠性。
开槽机或成型机也可用于加工花键轴。由于开槽机加工花键轴较为简便，因此常用于加工花键轴。使用开槽机或成型机可以加工出不同尺寸的花键轴。遵循一套花键标准至关重要，以确保零件的制造符合最高标准。
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
内花键和外花键的加工工艺截然不同。外花键可以进行拉削、成形、铣削或滚齿加工，而内花键则不能。这些机床使用硬质合金，但并不适用于内花键的加工。内花键加工需要使用带有开槽机构的机床。