SFF-SS38.1 Stored Frozen Food Conveyor Chain
SFF-SS38.1 is a dedicated frozen-food conveyor chain configuration built around a 38.10 mm pitch and a shaped shell/interface rather than a generic roller chain attachment. The series specification distinguishes inner-ring and outer-ring versions. Their core chain dimensions are the same, while the inner-ring row includes an accessory size that is not specified for the outer-ring row. That distinction should be preserved in a replacement order because the shell and accessory geometry determine how the conveyed product or carrier interfaces with the chain.
For replacement work, treat the chain body, shell arrangement and product-carrying interface as one interface. The part should be compared with the conveyor that exists today, including any guide, carrier or sprocket modifications made after the original machine was commissioned.
检查控制合身度和运动性能的功能。
The key review points are shell clearance, guide support and cold-zone transitions. Measure several repeating features where possible instead of relying on one worn joint, rod or attachment. Photograph the component while it is still installed so running direction, guide contact and drive engagement are visible.
For replacement selection, identify whether the installed component is the inner-ring or outer-ring form and verify the 72×38 shell envelope along with the 38×26×56×59 plate geometry shown in the series specification. Measure several pitches, confirm roller diameter and inner width, and photograph the chain from the top, side and end. Frozen environments can also change clearances through icing or product accumulation, so report any recurring contact marks or guide wear instead of assuming that a tighter fit is desirable.
当尺寸不确定时，应标注为根据磨损样品测量所得的尺寸，而不是将其四舍五入为假定的标称值。这样有助于在技术审查过程中区分真正的尺寸偏差和正常的使用磨损。
技术图纸和规范
尺寸图例： P = pitch; L = pin length; d = pin diameter; D = roller diameter; h1+h2+h3 = listed plate geometry; b1 = width between inner plates; Lc = pin length; T/t = plate thickness; l×w = shell size.
| Configuration | Pitch P (mm) | Pin Length L (mm) | Pin Diameter d (mm) | Roller Diameter D (mm) | Plate Geometry h1+h2+h3 (mm) | Inner Width b1 (mm) | Pin Length Lc (mm) | Plate Thickness T/t (mm) | Shell Size l×w (mm) | Accessory Size (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| SFF-SS38.1 Inner Ring | 38.10 | 40.00 | 10.00 | 20.00 | 38×26×56×59 | 23.50 | 47.00 | 2.5 | 72×38 | 11×59×1.5 |
| SFF-SS38.1 Outer Ring | 38.10 | 40.00 | 10.00 | 20.00 | 38×26×56×59 | 23.50 | 47.00 | 2.5 | 72×38 | — |
此表格列出了该产品页面可用的型号/配置数据。未在此列出的数值应根据项目图纸、当前组件或机器接口进行确认，而不能从其他系列推断。
评估整个传送路径内的组件
SFF-SS38.1 Stored Frozen Food Conveyor Chain is considered for stored frozen-food production and transfer equipment. In addition to the component dimensions, state the product being conveyed, spacing, line speed, starts and stops, curve or incline conditions, process zones and sanitation method. These operating inputs help identify the interfaces that deserve extra attention during approval.
检查驱动装置、支撑件、传动点和回程路径是否存在磨损或改动。如果损坏在机器的同一位置反复出现，则在决定是否更换新的链条或皮带之前，应先修复该接口。更换部件无法弥补毛刺、导轨错位、链轮损坏或传动装置缺乏支撑等问题。
在正常生产前以低速进行调试
Install the chain on a clean, inspected guide path and rotate it through the entire system by hand or at the lowest safe speed. Watch the shaped shells through transfers and curves; a local interference point can damage both the carrier and chain. Confirm that sprocket teeth enter the roller/pitch geometry cleanly and that the inner/outer-ring interfaces face the intended direction. Re-check tension after the first controlled run because trapped frost or debris can give a false impression of correct take-up.
首次空载运行后，在典型负载下对相同的观察点进行比较。记录横向位置、铰接、传递冲击、噪音或收紧位置的任何变化。一份简短且可重复的调试记录有助于区分正常的磨合过程和需要在正式生产前进行纠正的机器接口问题。
安装新部件之前，请清洁并检查链轮、导轨、支架和传动装置。
在不强行将部件压入轨道的情况下，确认运行方向、横向位置和啮合情况。
以尽可能低的速度，沿着标记好的关节或皮带行完成整个环。
引入代表性载荷并重新检查传递、曲线、跟踪和返回路径行为。
保持承载面和关节点清晰可见
Sanitation should remove food residue and ice without prying on the shells or forcing the chain sideways. After washdown and drying, inspect the shell edges, attachment junctions, pins and rollers. If the line experiences repeated freeze/thaw cycles, include that information in the RFQ so material, lubrication and clearance review can be based on the actual duty. The published series specification dimensions describe geometry; they do not replace a machine-specific assessment of temperature, chemical exposure or food-contact requirements.
记录任何反复出现的边缘磨损、抛光导向接触、连接件变形、销钉移动、钩子错位或网格扭曲等情况。在相同的检查点拍摄带有日期的照片，比单独的报废检查更容易识别趋势变化。
冻结对重复订单至关重要的尺寸和检查项目
After the first acceptable sample or production batch is confirmed, retain the model/designation, current dimension record, approved photographs and the machine position where the component is used. For SFF-SS38.1 Stored Frozen Food Conveyor Chain, include the features that control shell clearance, guide support and cold-zone transitions. If the conveyor is modified later, update the interface record instead of assuming the historical part number still describes the machine.
对于新的询价，即使多个型号在商业上组合使用，也应将每个型号作为单独的技术线列出。样品数量和生产数量应分别说明。如果特定材料、表面状态或特殊工艺是强制性的，请将其明确列为要求，以便与工艺最低标准进行比对。
生产批准前需要解决的问题
Confirm chain body, shell arrangement and product-carrying interface against the current machine. Record where the part is supported, guided and driven, and identify any feature that has been repaired or modified.
Describe product footprint, spacing, orientation and transfer points for stored frozen-food production and transfer equipment. Note curves, inclines or hanging sections that change the clearance requirement.
Photograph recurring wear and identify the machine position where it occurs. Check shell clearance, guide support and cold-zone transitions before deciding that the old component itself caused the problem.
对于来料检验，应选择可稳定测量的尺寸，并将其与图纸或已批准的样品进行比对。当两种配置具有相似的整体形状时，不要仅以外观作为验收标准。对于调试，应在正常生产之前记录低速运行结果，以便后续维护工作有基准进行比较。
订购重复批次产品时，请说明机器、产品规格或清洗流程是否与上一批产品有所不同。即使组件的标称型号保持不变，导轨、传送装置或产品间距的细微变化也可能导致控制性能的接口发生改变。
Confirm SFF-SS38.1 Stored Frozen Food Conveyor Chain against the current conveyor before production quantity
A dimensional table identifies the listed product, but replacement approval should also compare the shell carrier, base chain, guide support and transfer with the machine that will receive the part. For SFF-SS38.1 Stored Frozen Food Conveyor Chain, record shell clearance, repeating spacing, transfer height and articulation using the same datums that will be used for incoming inspection. If an old component is worn, measure several repeats and photograph the least-damaged reference area rather than selecting one convenient value.
照片应清晰展现除松动部件以外的更多信息，包括驱动和回程路径、输送机的两侧边缘、最急的过渡区域以及任何重复磨损的位置。此外，还应添加一张整机视图，以便清晰地显示运行方向和产品路径。如果导轨、链轮、支撑件或传送装置已维修，请务必记录这一变更，因为更换部件必须与现有安装接口相匹配。
样品审批前，应在样品生产前确认关键尺寸和可见结构。低速测试时，沿标记的连接点、托架或皮带排旋转一周，并记录任何摩擦、抬升、倾斜、周期性噪音或产品位置变化。如果故障现象出现在机器的某个固定位置，请在更改组件规格前检查周围的硬件。
对于重复订单，请保留已确认的型号、尺寸记录和机器位置信息。这样可以减少同一工厂在多条生产线上使用类似组件时可能出现的歧义。如果产品规格、生产线布局或清洗流程发生变化，即使组件名称不变，也应在下次询价时注明这些变化。
SFF-SS38.1 Stored Frozen Food Conveyor Chain FAQ
What is the pitch of SFF-SS38.1?
The series specification lists a 38.10 mm pitch for both the inner-ring and outer-ring configurations.
What changes between inner ring and outer ring?
The core listed chain dimensions are the same; the inner-ring row includes a listed accessory size of 11×59×1.5 mm, while the outer-ring row shows no accessory size.
Should shell size be measured?
Yes. The listed shell size is 72×38 mm and is important for matching the product-carrying interface.
Can a standard roller chain replace it?
Not as a direct assumption. The shaped shell/interface is part of the functional geometry and must be matched.
What should a frozen-line RFQ include?
Include configuration, quantity, photos, pitch, shell/interface dimensions, line speed, temperature range, cleaning method and sprocket information.
在产品发布前检查可衡量的功能。
使用可重复测量的尺寸和当前机器照片进行来料检验和更换批准。
如果项目是更换或改造，则需包含当前的输送机路径和运行条件。
